【導語】英語語法讓很多學生都頭疼，因為復雜難懂的句式和詞組有時難以記憶。英語網為大家整理了英語語法大全，希望對同學們的英語語法學習有所幫助。更多內容盡在英語網。

　　請看一道題：

　　It was not __________ he took off his dark glasses __________ I realized he was a famous singer.

　　A. when，that B. until，that C. until，when D. when，then

　　此題選B。考查 not...until 的強調結構，其基本句型為：

　　It is (was) not until (時間狀語) that 從句(不用否定)

　　他妻子走了之后他才來。

　　正：He didnt come until his wife left.

　　正：It was not until his wife left that he came.

　　直到雨停他們才出發。

　　正：They didnt start until the rain stopped.

　　正：It was not until the rain stopped that they started.

　　請做以下各題：

　　1. It was not until midnight __________ the noise of the street stopped.

　　A. that B. this C. since D. at which

　　2. It was not _________1920 _________ regular radio broadcast began.

　　A. for，that B. until，that C. for，when D. until，when

　　3. It was not _________ you had explained how _________ I managed to do it.

　　A. for，that B. until，that C. for，when D. until，when

　　答案：1. A 2. B 3. B

　　【導語】英語語法讓很多學生都頭疼，因為復雜難懂的句式和詞組有時難以記憶。英語網為大家整理了英語語法大全，希望對同學們的英語語法學習有所幫助。更多內容盡在英語網。

　　請看一道題：

　　It was not __________ he took off his dark glasses __________ I realized he was a famous singer.

　　A. when，that B. until，that C. until，when D. when，then

　　此題選B。考查 not...until 的強調結構，其基本句型為：

　　It is (was) not until (時間狀語) that 從句(不用否定)

　　他妻子走了之后他才來。

　　正：He didnt come until his wife left.

　　正：It was not until his wife left that he came.

　　直到雨停他們才出發。

　　正：They didnt start until the rain stopped.

　　正：It was not until the rain stopped that they started.

　　請做以下各題：

　　1. It was not until midnight __________ the noise of the street stopped.

　　A. that B. this C. since D. at which

　　2. It was not _________1920 _________ regular radio broadcast began.

　　A. for，that B. until，that C. for，when D. until，when

　　3. It was not _________ you had explained how _________ I managed to do it.

　　A. for，that B. until，that C. for，when D. until，when

　　答案：1. A 2. B 3. B