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動(dòng)詞第三人稱單數(shù)形式講解,1,一、什么是第三人稱單數(shù)？ 人稱可分為三類：第一人稱、第二人稱和第三人稱 第一人稱： I we 第二人稱： you 第三人稱： he、she、it、they和人名類（如：Peter、Jane、my father等） 結(jié)合以上知識(shí)，第三人稱單數(shù)就是he、she、it和單個(gè)的某人，也包括單個(gè)的動(dòng)物、東西等。,2,二、動(dòng)詞為什么要變成相應(yīng)的三單形式？ 在一般現(xiàn)在時(shí)中，跟在第三人稱單數(shù)后面的動(dòng)詞也要變成相應(yīng)的三單形 式，例如： I watch TV every day. 如果主語是三單，動(dòng)詞要變化： He watches TV every day. She watches TV every day. Jane watches TV every day.,3,三、動(dòng)詞三單的變化規(guī)則： 1、一般情況下直接加s，如speak-speaks, like-likes, play-plays 2、以s, x, sh, ch, o 結(jié)尾的加es，如 wash-washes, go-goes, do-does, watch-watches 3、以輔音字母+y 結(jié)尾的，改y 為i 再加es，如 study-studies，try-tries 4、特殊變化，如 have-has,4,四、does和doesn’t 在句子中的用法 否定句：主語+don’t/doesn’t+動(dòng)詞原形+（其他）。 如： I don’t watch TV. 我不看電視。 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 doesn’t watch TV. 他不看電視。 注意doesn’t后面用動(dòng)詞原形watch，而不是watches。,5,一般疑問句：Do / Does+主語+動(dòng)詞原形+（其他）。 如： Do you watch TV? 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： Does she watch TV? Yes, she does. / No, she doesn’t.,6,A、寫出下列動(dòng)詞的第三人稱單數(shù)。 drink ________ go _______ stay ________ make ________ have_______ pass_______ carry________ come________ plant_______ fly ________ study_______ brush________ look ________ teach_______ watch______,7,B、用括號(hào)內(nèi)動(dòng)詞的適當(dāng)形式填空。 1.He often ________(have) dinner at home. 2.We _______ (not watch) TV on Monday. 3.Nick _______ (not go) to the zoo on Sunday. 4.______ they ________(like) the World Cup? 5._______ your parents _______(read) newspapers every day? 6.The girl _______(teach) us English on Sundays. 7.She and I ________(take) a walk together every evening. 8.Mike _______(like) cooking. 9.They _______(have) the same hobby. 10.My aunt _______(look) after her baby carefully.,8,C、選出正確的答案： 1. She (like / likes) to play football. 2. He (like / likes) drinking milk. 3. I (like / likes) to watch TV. 4. We (like / likes) to play badminton. 5. They (like / likes) to sing songs. 6. She (read / reads) books every day. 7. He (play / plays) computer games every day. 8. It (listen / listens) to the radio every day. 9. Linda (draw / draws) pictures every day. 10. Jane and Linda (play / plays) football every day.,9,