1：时态一致,前面是过去时,后面也要用过去时,所以用write的过去式wrote.

2:解释同上 finished

3：if引导条件状语从句,用一般现在时表示将来时,所以用breaks

4:解释同第三题,用will go,1,wrote

had finished

breaks

will go,2,1.wrote。两个发生在过去的事件，发生在前面的用过去完成时，后发生的用过去式。

2.finished时态前后一致

3.breaks.if引导的条件状语从句，主句用一般将来时，从句用一般现在时

4.will go解释和上面一样,2,1.after he had read the book,he________wrote_(write) a review of it.

2.He did not leave his office until he______had finished__(finish) work.

3.If he______broke__(break) his promise,I'll never spesk to him again.

4.If the weater is fine,we___will_____(go) for a piic,,2,wrote finished breaks will go,1,1.after he had read the book,he_wrote________(write) a review of it.

2.He did not leave his office until he___finished_____(finish) work.

3.If he____breaks____(break) his promise,I'll never spesk to him again.

4.If the weater is fine,we_____will___(go) for a piic,,1,1.wrote

2.finished

3.breaks

4.will go,0,用括号中动词的正确形式填空(新概念英语第二册23课）

1.after he had read the book,he_________(write) a review of it.

2.He did not leave his office until he________(finish) work.

3.If he________(break) his promise,I'll never spesk to him again.

4.If the weater is fine,we________(go) for a piic,

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