初中语法中的主将从现是什么样的语法?什么时候用?

初中语法中的主将从现是什么样的语法?什么时候用?... 初中语法中的主将从现是什么样的语法?什么时候用? 展开
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主将从现情况小结

主将从现问题是中考考点之一。它是指在时间状语从句和条件状语从句中,如果主句是一般将来时,从句用一般现在时替代一般将来时。常见的有以下三种情况:

一、条件状语从句的主句是一般将来时,那么从句常常用一般现在时。

如: When I grow up, I’ll be a nurse and look after patients.

我长大后要当一名护士,照顾病人。

二、如果主句是祈使句,那么从句通常要用一般现在时。

如:Don’t laugh at me when I make a mistake.

我犯错误的时候不要笑话我。

三、如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时。

如:You should be quiet when you are in the reading room.

在阅览室时应保持安静。

练习 单项选择(中考题):

1 If he ___ harder , he will catch up with us soon.(04 北京)

A study B studies C will study D studied

2 I will go swimming with you if I ___ free tomorrow.(04哈尔滨)

A will be B shall be C am D was

3 If you ___ a chance to study in a foreign country ,just take it .(04 苏州)

A getting B had got C will get D get

4 Don’t leave until he ___ back.()

A have come B comes C will come D came

5 “ Shall we have the volleyball match tomorrow?” “ Oh, it will be put off if it ____.(04 黄冈)

A snows B is snowing C snowed D will snow

6 -Tell him about the news when he ____ ,John. - Yes, I will.(04 宁波)

A comes B will come C would D is coming

7 Tomorrow we will go to the city park____ it is sunny.(05 安徽)

A as soon as B when C if D as

8 Please don’t leave until your teacher ___back.(05河南)

A will come B came C comes D is coming

9 I want to know if there ___a sports meeting next month . If they ___ it , I must get ready for it。(05青岛)

A is,will hold B will be, hold C will be, will hold D will have, hold

10 -Mary, what about going boating if it ___tomorrow. -Good idea.()

A not rain B will rain C doesn’t rain D won’t rain

参考答案:1-5BCDBA 6-10 ACCBC
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主将从现是指在时间状语从句和条件状语从句中,如果主句是一般将来时,从句用一般现在时替代一般将来时。
常见的有以下情况:
1.条件状语从句的主句是一般将来时,那么从句用一般现在时。
2.主句是祈使句,从句要用一般现在时。
3.主句是含有情态动词的一般现在时,根据需要从句多用一般现在时。
4.若if的条件状语从句遇到变换间接和直接时 , 祈使句应用not to
口诀:“主将从现,主过将从过,主现从现”。即主句是一般将来时,从句用一般现在时;主句用过去将来时,从句用一般过去时;当主句中有can/can’t的话,则从句用一般现在时。
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主现情况结

主现问题考考点指间状语句条件状语句主句般句用般现替代般见三种情况:

、条件状语句主句般句用般现

: When I grow up, I’ll be a nurse and look after patients.

我要名护士照顾病

二、主句祈使句句通要用般现

:Don’t laugh at me when I make a mistake.

我犯错误候要笑我

三、主句含情态词般现根据需要句用般现

:You should be quiet when you are in the reading room.

阅览室应保持安静

练习 单项选择(考题):

1 If he ___ harder , he will catch up with us soon.(04 北京)

A study B studies C will study D studied

2 I will go swimming with you if I ___ free tomorrow.(04哈尔滨)

A will be B shall be C am D was

3 If you ___ a chance to study in a foreign country ,just take it .(04 苏州)

A getting B had got C will get D get

4 Don’t leave until he ___ back.()

A have come B comes C will come D came

5 Shall we have the volleyball match tomorrow? Oh, it will be put off if it ____.(04 黄冈)

A snows B is snowing C snowed D will snow

6 -Tell him about the news when he ____ ,John. - Yes, I will.(04 宁波)

A comes B will come C would D is coming

7 Tomorrow we will go to the city park____ it is sunny.(05 安徽)

A as soon as B when C if D as

8 Please don’t leave until your teacher ___back.(05河南)

A will come B came C comes D is coming

9 I want to know if there ___a sports meeting next month . If they ___ it , I must get ready for it(05青岛)

A is,will hold B will be, hold C will be, will hold D will have, hold

10 -Mary, what about going boating if it ___tomorrow. -Good idea.()

A not rain B will rain C doesn’t rain D won’t rain

参考答案:1-5BCDBA 6-10 ACCBC
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