祈使句 将祈使句的动词原形变为带to的不定式.并在不定式的前面根据句子的意思加上tell,ask,order等动词.句型是:tell/ask /order someone (not) to do something.) 如果祈使句为否定式.不定式前加not. (1) Make sure the door is shut , she said to her little son. She told her little son to make sure the door was shut. (2) Don’t smoke in the room, he said to me. He told me not to smoke in the room. 第16讲省略句 为了避免重复或是由于习惯省略句子中的一个或几个句子成分.我们称着总语法现象为省略.省略在英语语法中很常见.尤其是在口语中. 【查看更多】
