01completion before a future deadline, often introduced by by
Use will have + past participle to express completion before a future deadline, often introduced by by.
By next Friday, we will have completed the survey.B1
Future Perfect Exercises
About this lesson
Future perfect · B1. Use will have + past participle to express completion before a future deadline, often introduced by by.
Complete 12 original tasks. Use the situation to choose the intended meaning, practise the form, then apply it in a fresh context.
12 items
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Knowledge map
Start practisingFuture perfect
02a future time boundary after when, until or by the time; avoid will in this time clause
Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause.
By the time the guests arrive, we will have prepared dinner.03a total or milestone expected to have been reached by a future point
Use will have + past participle to express a total or milestone expected to have been reached by a future point.
By July, the lab will have tested a hundred samples.Illustrated guide
01 / 12D01Save it to find it in My collection.
The deadline is next Friday; the work will be complete earlier.
By next Friday, we ___ the survey.
Your learning route
01
Step 1 · Warm-up
0/3Warm-up
02
Step 2 · Build the skill
0/2completion before a future deadline, often introduced by by
Use will have + past participle to express completion before a future deadline, often introduced by by.
By next Friday, we will have completed the survey.03
Step 3 · Build the skill
0/1a future time boundary after when, until or by the time; avoid will in this time clause
Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause.
By the time the guests arrive, we will have prepared dinner.04
Step 4 · Build the skill
0/1a total or milestone expected to have been reached by a future point
Use will have + past participle to express a total or milestone expected to have been reached by a future point.
By July, the lab will have tested a hundred samples.05
Step 5 · New contexts
0/3New contexts
06
Step 6 · A fresh challenge
0/2A fresh challenge
Practice notes in this unit
0Make mistakes useful.
Keep the first try. Understand the change. Check it in a fresh situation.
No practice notes yet. Try a short warm-up.
Lesson map
B1Future perfect
Lesson points
completion before a future deadline, often introduced by by
Use will have + past participle to express completion before a future deadline, often introduced by by.
By next Friday, we will have completed the survey.a future time boundary after when, until or by the time; avoid will in this time clause
Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause.
By the time the guests arrive, we will have prepared dinner.a total or milestone expected to have been reached by a future point
Use will have + past participle to express a total or milestone expected to have been reached by a future point.
By July, the lab will have tested a hundred samples.Questions & answers
Opening an answer records help for that question.
The deadline is next Friday; the work will be complete earlier.
By next Friday, we ___ the survey.
- had complete
- will have completed
- will be completing
- are completing
Answer & explanation
will have completed
Look at “By next Friday, we ___ the survey.”. Use will have + past participle to express completion before a future deadline, often introduced by by. Complete sentence: “By next Friday, we will have completed the survey.”.
A future time clause starts with by the time.
By the time the guests ___, we will have prepared dinner.
- are arrive
- would arrive
- arrive
- will arrive
Answer & explanation
arrive
Look at “By the time the guests ___, we will have prepared dinner.”. Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause. Complete sentence: “By the time the guests arrive, we will have prepared dinner.”.
The total is expected to be achieved before July begins.
By July, the lab ___ a hundred samples.
- will have tested
- had test
- has test
- will be testing
Answer & explanation
will have tested
Look at “By July, the lab ___ a hundred samples.”. Use will have + past participle to express a total or milestone expected to have been reached by a future point. Complete sentence: “By July, the lab will have tested a hundred samples.”.
The report will be finished before tomorrow noon.
By noon tomorrow, I ___ the report.
- had write
- will have written
- have wrote
- was writing
Answer & explanation
will have written
Look at “By noon tomorrow, I ___ the report.”. Use will have + past participle to express completion before a future deadline, often introduced by by. Complete sentence: “By noon tomorrow, I will have written the report.”.
Use the present simple of end in the future time clause.
We will have packed everything by the time the lease ___.
Answer & explanation
ends
Complete sentence: “We will have packed everything by the time the lease ends.” Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.
Their ten-year anniversary occurs before the future reference point.
By December, they ___ ten years in this town.
- will have spent
- were spending
- had spend
- have spend
Answer & explanation
will have spent
Look at “By December, they ___ ten years in this town.”. Use will have + past participle to express a total or milestone expected to have been reached by a future point. Complete sentence: “By December, they will have spent ten years in this town.”.
Use the future perfect of leave; departure will be complete before your arrival tomorrow.
By the time you get here tomorrow, I ___.
Answer & explanation
will have left
Complete sentence: “By the time you get here tomorrow, I will have left.” Use will have + past participle to express completion before a future deadline, often introduced by by. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.
Other accepted versions
- shall have left
The last payment occurs before the future deadline.
By the end of May, she ___ the loan.
- has repay
- was repaying
- had repay
- will have repaid
Answer & explanation
will have repaid
Look at “By the end of May, she ___ the loan.”. Use will have + past participle to express completion before a future deadline, often introduced by by. Complete sentence: “By the end of May, she will have repaid the loan.”.
Use the present simple of close in the future time clause.
We will have served everyone before the kitchen ___.
Answer & explanation
closes
Complete sentence: “We will have served everyone before the kitchen closes.” Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.
The future reference point is after the completion of all interviews.
By five tomorrow, the panel ___ all eight applicants.
- had interview
- have interview
- was interview
- will have interviewed
Answer & explanation
will have interviewed
Look at “By five tomorrow, the panel ___ all eight applicants.”. Use will have + past participle to express a total or milestone expected to have been reached by a future point. Complete sentence: “By five tomorrow, the panel will have interviewed all eight applicants.”.
Future time boundary after before.
I will have checked the figures before the director ___.
- will return
- returns
- would return
- is return
Answer & explanation
returns
Look at “I will have checked the figures before the director ___.”. Use present simple in a future time clause to express a future time boundary after when, until or by the time; avoid will in this time clause. Complete sentence: “I will have checked the figures before the director returns.”.
Use the future perfect of save for a target reached before next summer.
By next summer, we ___ enough for the deposit.
Answer & explanation
will have saved
Complete sentence: “By next summer, we will have saved enough for the deposit.” Use will have + past participle to express a total or milestone expected to have been reached by a future point. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.
Other accepted versions
- shall have saved