5、简单句与复合句之间的转换。
①含宾语从句的复合句与简单句的转换。例如：
A：I saw they were playing football on the playground.
B：I saw them playing football on the playground.
A：The teacher found that she was very clever.
B：The teacher found her very clever.
A：He found that it was hard to learn English well.
B：He found it hard to learn English well.
A：We are sure that we will win to first match.
B：We are sure to win to first match.
由疑问代词/副词引导的宾语从句可转化为“疑问句+不定式”结构。例如：
A：Could you tell me how I can get to the railway station?
B：Could you tell me how to get to the railway station?
A：We don’t know what we should do next.
B：We don’t know what to do next.
②由when/after/before/while/since/until引导的时间状语从句可转化为when/after/before/while/sine/until + doing…
例如：
A：They went home after they finished their work.
B：The went home after finishing their work.
A：Mr Smith has taught English since he came to China.
B：Mr Smith has taught English since coming to China.
When sb. +be+数词+years old→at the age of+岁数
A：When he was twelve years old, Edison started writing his own newspaper.
B：At the age of twelve, Edison started writing his own newspaper.
③由so…that…引导的结果状语从句可转化为too…to do或…enough to do……例如：
A：The box is so heavy that I can’t carry it.
B：The box is too heavy for me to carry.
或：The box isn’t light enough for me to carry.
A：The child is so old that he can go to school.
B：The child is old enough to go to school.
④由so that 引导的目的状语从句可转化为in order to do例如：
A：My father got up early this morning so that he could catch the early bus.
B：My father got up early this morning in order to catch the early bus.
⑤由because 引导的原因状语从句可转化为because of…例如：
A：We didn’t go to the park because it rained.
B：We didn’t go to the park because of the rain.
⑥定语从句可以转化为介词短语或分词短语。例如：
A：The man who is on the bike is Jim.
B：The man on the bike is Jim.
A：The man who is driving the red car is my boss.
B：The man driving the red car is my boss.
A：The girl who is called Mary is my sister.
B：The girl called Mary is my sister.
