高二英语 请将下列各句改写成过去分词的形式 急请将下列各句改写成过去分词的形式 1.Yesterday Mr.Zhang had a barber cut his hair.2.The bridge which was built in the past is still in good condition.3.Though he was laughed at by many people ,he continued his study.4.We don't want human cloning that are produced by scientists to replace us one day.5.Many people believe that the problems that are created by cloning will soon be clear.

1.Yesterday Mr.Zhang had a barber cut his hair.
-> Yesterday Mr.Zhang had his hair cut.
cut 过去分词 cut,have sth.done 将什么事做了
2.The bridge which was built in the past is still in good condition.
-> The bridge built in the past is still in good condition.
将从句主谓去掉即可,build 过去分词 built 表示被动的意思
3.Though he was laughed at by many people ,he continued his study.
-> Though laughed at by many people,he continued his study.
同上改法,laugh 过去分词 laughed 表示被动的意思
4.We don't want human cloning that are produced by scientists to replace us one day.
-> We don't want human cloning produced by scientists to replace us one day.
同上改法,produce 过去分词 produced 表示被动的意思
5.Many people believe that the problems that are created by cloning will soon be clear.
-> Many people believe that the problems created by cloning will soon be clear.
同上改法,creat 过去分词 created 表示被动的意思