一个词可以变10句话
1、10句中国话
你给他打电话了吗？Did you call him？
你为什么给他打电话？Why did you call him？
你没给他打电话吗？Did not you call him？
你为什么没给他打电话？Why did not you call him？
你在哪里给他打电话？Where did you call him？
你什么时候给他打电话的？When did you call him？
你怎么给他打电话的？How did you call him？
你跟谁一起给他打电话的？Who/Whom did you call him with？/With whom did you call him？
你用什么给他打电话的？With what did you call him？
你用谁的手机给他打电话的？With whose phone did you call him？
你用哪部手机给他打电话的？With which phone did you call him？
例1：用go套用公式
你去了吗？Did you go？
你为什么去？Why did you go？
你没去吗？Did not you go？
为什么没去？Why did not you go？
你去哪里？Where did you go？
你什么时候去的？When did you go？
你怎么去的？How did you go？
你跟谁去的？With whom did you go？
你开什么去的？By what did you go？
你开谁的车去的？By whose car did you go？
你开哪辆车去的？By which car did you go？
例子2：商务词sign a contract
你签合同了？Did you sign a contract？
你为什么签合同？Why did you sign a contract？
你没签合同吗？Did not you sign a contract？
你为什么没签合同？Why did not you sign a contract？
你在哪里签合同？Where did you sign a contract？
你什么时候签合同？When did you sign a contract？
你怎么签合同？How did you sign a contract？
你跟谁签合同？With whom did you sign a contract？
你用什么签合同？By what did you sign a contract？
你用谁的笔签合同？By whose pen did you sign a contract？
你用哪只笔签合同？By which did you sign a contract？
这样的话，很多词就可以使用了，难一点的，commit a crime，简单的就是一个动词，eat，run等等。
10句变40句：4种时态每种10句
你没给他打电话吗？Did you call him？
你平常都不给他打电话吗？Do you call him?
你在给他打电话吗？Are you calling him?
你要给他打电话吗？Are you going to call him?
每一个时态进行扩展10句。
40句变25w句：换主语，宾语
主语：8个
宾格：8个
主语还可以将人称换成名词：警察，老师，老板，学生……
关键是，这些句子都是非常简单的，仅仅是一个动词，并没介词短语，从句等等，先学会最简单的基础吧。
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