抚摸昏黄②把状语从句改为过去分词作状语时有时还可保留连词，构成“连词+过去分词”结构作状语，即“while (when, once, until, if, though等连词)+过去分词”结构。如：
When given a medical examination, you should keep calm.当你做体格检查时要保持镇定。 Though beaten by the opposite team, the players didn’t lose heart. 尽管这些球员被对方球队打败了，但他们并没有灰心。
[练一练] I.用所给词的适当形式填空，并与A-D的汉语翻译相匹配。 impress; pour; speak 1. Once ______, a word becomes a promise. 2. Once ______, water cannot be taken back again.
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。
1. ______ (see) from the top of the hill, the city looks beautiful to us. 2. ______ (give) time, he’ll make a first class tennis player.
3. ______ (look) out of the window, I found many children playing on the playground. III.将下列句子翻译成英语。1.由于被妈妈所说的话所感动，我忍不住哭了起来。 2.如果给我们一个机会，我们将给大家一个非常好的表演。 3.当问到他出生在哪里时，约翰说他是纽约人。 Key: I. 1. spoken; C 2. poured; A 3. Impressed; B
II. 1. Seen 2. Given 3. Looking III. 1. Moved by what my mother said, I couldn’t help crying.
2. Given a chance, we could give a good performance. 3. When asked where he was born, John said he was a New Yorker
划分句子成分练习题（1）
1.They are working on the farm now. 2.Seeing is believing
