在学习英语的过程中，未来时间从句是一个重要的语法点。通常情况下，我们使用未来时间从句来表达主句动作发生后，从句动作才会发生的情况。在英语中，未来时间从句里面常常不使用将来时态的表达，而是使用一般现在时。通过下面的练习，我们可以加深对这个语法点的理解和运用。
未来时间从句通常与时间连词如when, as soon as, before, after等一起使用。在练习中，学生需要在空白处填入正确的动词形式，以完成未来时间意义的从句。注意不要在从句中直接使用将来时态的形式。通过这些句子的填空练习，可以帮助学生掌握未来时间从句的正确使用方法。
Exercise 1: Fill in the blanks with the correct verb form to complete the Future Time Clauses.
I will call you when I *arrive* (arrive) at the airport.
She is going to start dinner as soon as her husband *gets* (get) home.
We must finish our homework before we *go* (go) out tonight.
He will have to make a decision after he *has* (have) all the information.
The game will begin as soon as the referee *blows* (blow) the whistle.
You can leave the meeting early if you *finish* (finish) your presentation.
She will let you know the results when the tests *come* (come) back from the lab.
Before he *leaves* (leave) for his trip, he will give you a call.
Once you *submit* (submit) your application, the review process will begin.
They’ll start the film when everyone *takes* (take) their seat.
After she *completes* (complete) her training, she’ll be eligible for the position.
He won’t be able to go to the concert unless he *saves* (save) enough money.
I’ll send you the instructions once I *confirm* (confirm) the details.
When the clock *strikes* (strike) twelve, we will celebrate the New Year.
If it *rains* (rain) tomorrow, the match will be postponed.
Exercise 2: Use the correct form of the verbs in parentheses to complete the Future Time Clauses.
As soon as the bell *rings* (ring), the students will go to their classrooms.
Before you *go* (go) to bed, make sure to turn off all the lights.
After the meeting *ends* (end), we can discuss the project further.
He’ll email the report when he *finishes* (finish) it.
If you *look* (look) closely, you’ll see the eagle up in the tree.
I will wait here until my friend *arrives* (arrive).
She won’t buy the car unless she *gets* (get) a better deal.
Once the sun *sets* (set), we will start the campfire.
The concert will be canceled if it *snows* (snow) heavily.
We’ll begin the presentation when the manager *arrives* (arrive).
They will not start eating until everyone *sits* (sit) down at the table.
You will understand the chapter better after you *read* (read) it a second time.
He plans to propose to her when they *sail* (sail) to the Caribbean next month.
She will feel more relaxed once she *takes* (take) her final exams.
They will send out the invitations as soon as they *decide* (decide) on a date for the wedding.
