英语基础语法13.1 祈使句结构
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祈使句用以表达命令，要求，请求，劝告等。 1） 祈使句有两种类型，一种是以动词原形开头，在动词原形之前加do (但只限于省略第二人称主语的句子)。 Take this seat. Do be careful. 否定结构： Don't move. Don't be late. 2） 第二种祈使句以let开头。 Let 的反意疑问句 a. Let's 包括说话者 Let's have another try，shall we / shan't we? = Shall we have another try? b. Let us 不包括说话者 Let us have another try，will you / won't you? = Will you please let us have another try? 否定结构： Let's not talk of that matter. Let us not talk of that matter. 相关资料 |
