一般现在时 一般现在时的形式 是以动词的原形表示的,当主语为第三人称单数时,做谓语的动词原形后要加上词尾-s or –es, 其构成方式列表如下: 1. 一般情况 词尾加-s Reads, writes 2. 以ch, sh, s, x, o结尾的词 词尾加-es watch, washes, glasses, boxes, goes 3. 以辅音字母+Y 结尾的词 变Y为I,再加-es studies, carries 当主语为第三人称单数时,要用doesn't构成否定句。如: He doesn't often play. 一般疑问句:Do( Does ) +主语+动词原形+其它。如: - Do you often play football? - Yes, I do. / No, I don't. 当主语为第三人称单数时,要用does构成一般疑问句。如: - Does she go to work by bike? - Yes, she does. / No, she doesn't. 特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?
【No. 3】现在进行时的变化 肯定句式:主语+be( am, is, are)+现在分词+其它. 否定句式:主语+be (am, is, are) +not +现在分词+其它. 一般疑问句:Be (am, is, are) +主语+现在分词+其它? 特殊疑问句:疑问词+be (am, is, are)+主语+现在分词+其它? 对现在进行时的特殊疑问句的回答,它不可以用Yes或No直接作答,要根据实际情况回答。 肯定式I am working. You are working. He (she) is working .We (you, they) are working. 否定式I am not working. You are not working. He (she) is not working. We (you, they) are not working. 疑问式Am I working? Are you working? Is he (she) working? Are we (you, they) working?