英语语法强调句知识点：如何对not… until…句式进行强调

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　　对notuntil句式的强调有固定的句型，即It is / was not untilthat如：

　　It was not until yesterday that I noticed it.

　　直到昨天我才注意到此事。

　　It was not until I saw Mary that I felt happy.

　　直到见到玛丽我才高兴起来。

　　It was not until you had explained how that I managed to do it.

　　直到你给我解释了理由，我才会做的。

　　It was not until she took off her dark glasses that I realized she was a famous film star.

　　直到她取下墨镜，我才意识到她是一位著名影星。

　　It was not until I met you that I knew real happiness.

　　直到我遇到你以后，我才真正体会到幸福。

　　It was not until you had explained how that I managed to do it.

　　直到你给我解释了理由，我才会做。

　　请看两道题：

　　(1) It _______ we had stayed together for a couple of weeks _______ I found we had a lot in common.

　　A. was until; when B. was until; that

　　C. wasnt until; when D. wasnt until; that

　　答案为D。此题考查notuntil句式的强调形式It was not untilthat的用法。注意不要想当然地将其中的that换成when。

　　(2) It was not until she got home _______ Jennifer realized she had lost her keys.

　　A. when B. that

　　C. where D. before

　　答案为B。考查notuntil的强调形式，其基本结构为it was not until.that形式。