一般疑问句:Does +主语+动词原形+其它。
如:Does he swim well ? Yes, he does. / No, he doesn\'t.
特殊疑问句:疑问词+以does开头的一般疑问句?
如: How does your father go to work?
三.第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中,动词才用三单式)
(1)多数动词直接加s:runs gets likes collets takes plays climbs.
(2)结尾是s, x, sh, ch, o,前为辅音字母,
结尾加es :watches teaches goes does washes crosses mixes brushes
(3)动词末尾y前为辅音:将y改为i加es: studystudies flyflies carrycarries crycries
但在y前如果为元音则直接加s:buys says
四.时间标志:always , usually , often , sometimes ,every
现在进行时
一.意义当表示现在正在进行的动作或正在发生的事。
二.构成:be (am, is ,are )+动词现在分词-ing形式
肯定句: 主语 + be + 现在分词V-ing (+ 其他) Im doing my homework now .
否定句:主语+be+not+动词-ing +其他. Im not doing my homework now.
一般疑问句:Be+主语+动词-ing +其他?
Are you doing your home work now? Yes, I am . No , Im not .
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