新人教必修五 Unit3 Life in the future[过去分词]PPT.ppt

; looking-back ;Observe the following sentences and answer questions: (I) Written in a hurry, this article was not so good! Hit by the lack of fresh air, my head ached. ;(Ⅱ) Lost / in deep thought, he didn’t hear the sound. Worried about the journey, I was unsettled for the first few days. ;2. 过去分词作状语时其逻辑主语为主句的主语，此时应注意人称一致。 ;(2)?Grown in rich soil, these seeds can grow fast. ;【注意】状语从句改成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。 When given a medical examination, you should keep calm. 当你做体格检查时要保持镇定。 4. 过去分词作状语的位置。过去分词可放在主句前作句首状语，后面有逗号与主句隔开；也可放在主句后面，前面有逗号与主句隔开。 He stood there silently, moved to tears. = Moved to tears, he stood there silently. 他静静地站在那里，被感动得热泪盈眶。 ;Rewrite with proper conjunctions;2. Asked what had happened, he told us about it. → 3. Well known for his expert advice, he received many invitations to give lectures. ;用过去分词作状语来改写句子。;2. If he is given more time, he’ll make a first-class tennis player. → ____________ , he’ll make a first-class tennis player. 3) As I was confused by the new surroundings, I was hit by the lack of fresh air. → ______________________________, I was hit by the lack of fresh air.;1. _________the old man, we went upstairs.—we followed (跟着那个老人, 我们上去了) 2. __________by the old man, we went upstairs. (we were) (被那个老人跟着, 我们上去了);Difference between the Present Participle and the Past Participle _____for a long time, the book looks old. 由于用了很长时间，这本书看上去很旧. ______ the book, I find it useful. 在使用的过程中，我发现这本书很有用. ________ (look) at her, he jumped with joy. _______(look) at by her, he jumped with joy.;注意：选择现在分词还是过去分词，关键看主句的主语。如分词的动作是主句的主语发出，分词就选用现在分词，反之就用过去分词。