表示条件,相当于if, unless引导的条件状语从 句,有时 if/unless 可放在过去分词前面.
如果种在肥沃的土壤里,这些种子能长得很 快。 Grown in rich soil, these seeds can grow fast. =If these seeds are grown in rich soil, …… =If grown in rich soil, …… Compared with you, we still have a long way to go. =If we are compared with you, we ……
水如果被加热,会变成水蒸气。 If it is heated water can be turned into steam. ___________,
表示让步,相当于although/though/even if 等引导的让步状语从句,有although/though 等可放在过去分词前面. Left at home, John didn’t feel afraid at all. =Although (he was) left at home, John…… 即使被邀请,我也不会参加聚会。 Even if invited _________________, I will not take part in the party. =Even if (I am) invited, I ……
back again. Impressed B 3. __________ by the beautiful scenery, I forgot to go back home in time.
A.覆水难收 B.流连忘返 C.一言既出, 驷马难追
II. 用所给词的适当形式填空。 Seen 1. ______ (see) from the top of the hill, the city looks beautiful to us. 2. ______ (give) time, he’ll make a first Given class tennis player. 3. ________ (look) out of the window, I Looking found many children playing on the playground.