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. 9. I came across Mr. Read on the square the other day. We didn’t talk much because he ______(rush ) to catch the bus. 10. He said he _______(participate) the contest next week. 11. It ________(rain) lightly when I arrived in Yangshuo just before dawn. 12. I didn’t know that she (be)to London twice. 13. It is the first time that I ______(enjoy) this kind of moon cake. 14. If we ______(do) nothing to protect our environment, the oceans will turn into fish deserts. 特殊時(shí)態(tài): 1. 一般現(xiàn)在表將來(lái) 2. 現(xiàn)在進(jìn)行表將來(lái) 3. 在條件( if, as soon as , unless等)和時(shí)間狀語(yǔ)從句中,主句用將來(lái)時(shí),從句用一般現(xiàn)在表將來(lái) If we ___ (do) nothing to protect our environment, the oceans will turn into fish deserts. He _____(call) you as soon as he _______ (arrive) BeiJing do will call arrives 1. 剛要 …. 就 …. was/were about to V…….when… did… We were about to start when it rained. 2. 自從 …. 已有一段時(shí)間了 It is /has been+ 一段時(shí)間 +since… did… It has been 4 years since he left his hometown. 3. …. 是某人第幾次做某事 … It’s the first time that…. has/have done It’s the second