情态动词的回答.docx
情态动词的回答1、在回答must开头的一般疑问句时,肯定回答用must,否定回答用needn't或don't have to. 如: 1)Must I finish my homework before eight o'clock? Yes, you must. 2)Must I attend the meeting? No, you needn't(No, you don't have to). You can ask Tom to go instead. 2、在回答may开头的一般疑问句时,肯定回答用may,否定回答用mustn't. 如: 1)May I watch TV after supper? Yes, you may. / No, you mustn't. 2)May I stop here? No, you mustn't. 3、在回答need开头的一般疑问句时,肯定回答用must,否定回答用needn't. 如: 1)Need we stay behind after school? Yes, you must. 2) Need he go now? No, he needn't.