习题_lesson45条件状语从句【润知教育】初中英语语法知识点讲解

条件状语从句
【题目】
If you（ ）to the party, you’ll have a great time.
A. will go
B. went
C. go
D. Going
【难度】基础
【答案】C
【解析】if从句用现在时，主句用一般将来时。
【题目】
--What are you going to do tomorrow?
--We’ll go to the library tomorrow if it（ ）.
A. isn’t rain
B. rain
C.won’t rain
D. doesn’t rain
【难度】基础
【答案】D
【解析】if从句用一般现在时，主句用一般将来时。
【题目】
I will send you an e-mail as soon as I（ ）in Canada.
A. arrive
B. arrived
C. am arriving
D. will arrive
【难度】基础
【答案】A
【解析】As soon as 引导条件状语从句，从句用现在时，主句用一般将来时。
【题目】
If there（ ）no buying and selling of animals, there（ ）no killing in nature.
A. is; will be
B. will be; will be
C. is; is
D. will be; is
【难度】中等
【答案】A
【解析】 if从句用现在时，主句用一般将来时。
【题目】
I am waiting for my friend. （ ）, I’ll go shopping alone.
A.If she comes
B.If she won’t come
C. If she doesn’t come
D. If she come
【难度】中等
【答案】C
【解析】if从句用现在时，主句用一般将来时根据句意：如果她不来，我就独自去购物，故选c。
【题目】
The students( )have sports meeting this weekend if it（ ）.
A. won’t; rains
B. will; rains
C. won’t; will rain
D. are going to;is going to rain
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。
【题目】
Don’t talk loudly at the meeting. If you（ ）, you will have to leave.
A. do
B. are
C. did
D. Were
【难度】基础
【答案】A
【解析】 if从句用现在时，主句用一般将来时，且这里需要助动词，不是系动词，故选A。
【题目】
I don’t know if she（ ）to my birthday party tomorrow. If she（ ）, I’ll be very happy.
A. comes; comes
B. will come; comes
C. comes; will come
【难度】中等
【答案】B
【解析】宾语从句和条件状语从句的考查。第一句的if表示“是否”，所引导的宾语从句通常是一般将来时。第二句是由if引导的条件状语从句，从句用现在时，主句用一般将来时。
【题目】
--When will you come to Daqing?
--I will call you （ ）I arrive.
A. till
B. while
C. as quickly as
D. as soon as
【难度】基础
【答案】D
【解析】as soon as 引导条件状语从句，本句译为：只要我到了我就打电话给你，故选D。
【题目】
I’ll give it to Jim as soon as I ( ）him tomorrow.
A. saw
B. will see
C. see
D. have seen
【难度】基础
【答案】C
【解析】as soon as表示“一……就……”。主句用将来时。从句用一般现在时。
【题目】
If she（ ）here tomorrow, I will tell you.
A. comes
B.will come
C.come
D. Came
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。
【题目】
--Mary, could you tell me if your mother（ ）our school sports meeting tomorrow?
-- I think she will come to school if she（ ）free.
A. will take part in; will be
B. takes part in; is
C. will take part in;is
D.takes part in; will be
【难度】中等
【答案】C
【解析】宾语从句和条件状语从句的考查。第一句中的if表示“是否”，所引导的宾语从句通常是一般将来时。
由if引导的条件状语从句，从句用现在时，主句用一般将来时。
【题目】
--Tom wants to know if you will have a picnic tomorrow.
-- Yes. But if it （ ）,we’ll play chess instead.
A. will rain
B. rained
C. is raining
D. Rains
【难度】基础
【答案】D
【解析】if从句用现在时，主句用一般将来时。
【题目】
If Tom（ ）the game, we’ll give him a surprise
A. win
B. wins
C. won
D. wining
【难度】基础
【答案】B
【解析】在if引导的条件状语从句中，如果主句和从句发生的动作都在将来时间，从句用一般现在时表将来。
【题目】
-- I hear the famous singer Xu Song may come to Ningbo next month.
-- Really？（ ）He comes, my younger sister will be very excited.
A. If
B. Until
C. Unless
D. Before
【难度】基础
【答案】A
【解析】If“如果”；until“到…为止”；unless“除非”；before“在……之前”，根据句意可以知道：如果他来了，我妹妹将会很激动，故选A。
【题目】
--Let’s go fishing if it （ ）this weekend.
-- But nobody knows if it（ ）.
A. is fine;will rain
B.will be fine; rains
C. will be fine; will rain
D. is fine;rains
【难度】中等
【答案】A
【解析】第一个空if引导的是条件状语从句，因此用一般现在时表将来。第二个空的if引导宾语从句，且这句话的时间状语是this weekend，属于将来的事情，所以用将来时，故选A。
【题目】
So long as you’re happy every day, I（ ）happy.
A. am
B. will be
C. was
D. am going to be
【难度】基础
【答案】B
【解析】so long as= as long as，引导条件状语从句，从句用现在时，主句用一般将来时。
【题目】
Suppose/supposing that it（ ）tomorrow, what shall we do?
A. will rain
B. raining
C. rain
D. Rains
【难度】提高
【答案】D
【解析】suppose/supposing that 引导条件状语从句，从句用现在时，主句用一般将来时。
【题目】
If we pay more attention to the environment, we（ ）a better world.
A. have
B. has
C. won't have
D. will have
【难度】基础
【答案】D
【解析】if从句用现在时，主句用一般将来时。
【题目】
He will not leave if it（ ）fine tomorrow.
A. wasn't
B. won't be
C. isn’t
【难度】基础
【答案】C
【解析】if从句用现在时，主句用一般将来时。
【题目】
I（ ）her the answer unless she（ ）me.
A. can not tell; will ask
B. will not tell; will ask
C. would tell; asks
D. will not tell; asks
【难度】基础
【答案】D
【解析】Unless 引导条件状语从句，从句用现在时，主句用一般将来时。
【题目】
If she eats too much, she（ ）fat.
A. will be
B. is
C. was
D. won’t be
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。
【题目】
If you（ ）a chance to study in a foreign country, just take it.
A. getting
B. get
C.will get
D. Gets
【难度】基础
【答案】B
【解析】if从句用现在时，主句用一般将来时。
【题目】
Mike（ ）a film as long as he’s free next Saturday.
A. see
B. saw
C. will see
D. Seeing
【难度】中等
【答案】C
【解析】if从句用现在时，主句用一般将来时。
【题目】
I’ll give the book to him as long as he（ ）here next Sunday.
A. will come
B. comes
C. is coming
D. Came
【难度】基础
【答案】B
【解析】if从句用现在时，主句用一般将来时。
【题目】
The volleyball match（ ）put off if it rains.
A. will be
B. is
C. won’t be
D. Are
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。
【题目】
She’ll go to meet you if she（ ）free then.
A. is
B. will be
C. was
D. won’t be
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。
【题目】
If Mary（ ）, I（ ）leave alone.
A. doesn’t come; will be
B. isn’t come; will
C. doesn’t come; will
D. isn’t come; will be
【难度】中等
【答案】C
【解析】if从句用现在时，主句用一般将来时，此处有动词come，用助动词，不用系动词。
【题目】
Unless she ( ) up early, she won’t catch the early bus.
A. gets
B. got
C. will get
【难度】基础
【答案】A
【解析】if从句用现在时，主句用一般将来时。