几个新概念2的题用正确时态填空：Themomenthehadsaidthis,he()[regret]it.It()[begin]torainbeforeshetookataxi.Whenalltheguestshadleft,Derek()[arrive].不仅要说答案,把理由说清楚,谢咧

Question

几个新概念2的题
用正确时态填空：
The moment he had said this,he( ) [regret] it.
It ( ) [begin] to rain before she took a taxi.
When all the guests had left,Derek ( ) [arrive].
不仅要说答案,把理由说清楚,谢咧

Answer 1

这都是主从句的时态问题,注意谁先发生,谁后发生.
1.regreted,因为主句后发生.用过去时
2.had begun 主句先发生用过去完成时
3.arrived 主句后发生,用过去时.