1. be動(dòng)詞的變化。
肯定句:主語+be+其它。 如:He is a worker. 他是工人。
否定句:主語+ be + not +其它。 He is not a worker.他不是工人。
一般疑問句:Be +主語+其它。(be動(dòng)詞移到句首)
如:I am a student.
-Are you a student?
-Yes. I am. / No, I'm not.
特殊疑問句:疑問詞+一般疑問句。
如:My bike is under the tree.
Is your bike under the tree?
Where is your bike?
2.行為動(dòng)詞的變化。
肯定句:主語+動(dòng)詞原形(+其它)。
否定句:主語+ don't( doesn't ) +動(dòng)詞原形(+其它)。
如:I like bread.
I don't like bread.
當(dāng)主語為第三人稱單數(shù)時(shí),要用doesn't構(gòu)成否定句。
如:He ofter plays football.
He doesn't often play football.
一般疑問句:Do( Does ) +主語+動(dòng)詞原形+其它。(句首加助動(dòng)詞do, does)
如:I often play football.
- Do you often play football?
- Yes, I do. / No, I don't.
當(dāng)主語為第三人稱單數(shù)時(shí),要用does構(gòu)成一般疑問句。
如:She goes to school by bike.
- Does she go to school by bike?
- Yes, she does. / No, she doesn't.
特殊疑問句:疑問詞+一般疑問句。
如:She goes to school by bike.
Does she go to school by bike?
How does she go to school?
動(dòng)詞+s的變化規(guī)則
1.一般情況下,直接加-s,如:cook-cooks, milk-milks
2.以s. x. sh. ch. o結(jié)尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
3.以“輔音字母+y”結(jié)尾,變y為i, 再加-es,如:study-studies
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