一、名詞復(fù)數(shù)規(guī)則

1.一般情況下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds

2.以s. x. sh. ch結(jié)尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches

3.以“輔音字母+y”結(jié)尾，變y為i, 再加-es，如：family-families, strawberry-strawberries

4.以“f或fe”結(jié)尾，變f或fe為v, 再加-es，如：knife-knives

5.不規(guī)則名詞復(fù)數(shù)：

man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice

child-children

foot-feet,.tooth-teeth

fish-fish, people-people, Chinese-Chinese, Japanese-Japanese

寫(xiě)出下列各詞的復(fù)數(shù)

I _________him _________this ___________her ______

watch _______child _______photo ________diary ______

day________ foot________ book_______ dress ________

tooth_______ sheep ______box_______ strawberry _____

thief _______yo-yo ______ peach______ sandwich ______

man______ woman_______ paper_______ juice___________

water________ milk________ rice__________ tea__________

二、一般現(xiàn)在時(shí)

一般現(xiàn)在時(shí)基本用法介紹

【No. 1】一般現(xiàn)在時(shí)的功能

1.表示事物或人物的特征、狀態(tài)。如：The sky is blue.天空是藍(lán)色的。

2.表示經(jīng)常性或習(xí)慣性的動(dòng)作。如：I get up at six every day.我每天六點(diǎn)起床。

3.表示客觀(guān)現(xiàn)實(shí)。如：The earth goes around the sun.地球繞著太陽(yáng)轉(zhuǎn)。

一般現(xiàn)在時(shí)的構(gòu)成

1. be動(dòng)詞：主語(yǔ)+be(am,is,are)+其它。如：

I am a boy.我是一個(gè)男孩。

2.行為動(dòng)詞：主語(yǔ)+行為動(dòng)詞(+其它)。如：

We study English.我們學(xué)習(xí)英語(yǔ)。

當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)(he, she,it)時(shí)，要在動(dòng)詞后加"-s"或"-es"。如：Mary likes Chinese.瑪麗喜歡漢語(yǔ)。

一般現(xiàn)在時(shí)的變化

1. be動(dòng)詞的變化。

否定句：主語(yǔ)+ be + not +其它。

如：He is not a worker.他不是工人。

一般疑問(wèn)句：Be +主語(yǔ)+其它。

如：-Are you a student?

-Yes. I am. / No, I'm not.

特殊疑問(wèn)句：疑問(wèn)詞+一般疑問(wèn)句。如：Where is my bike?

2.行為動(dòng)詞的變化。

否定句：主語(yǔ)+ don't( doesn't ) +動(dòng)詞原形(+其它)。如：

I don't like bread.

當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)時(shí)，要用doesn't構(gòu)成否定句。如：

He doesn't often play.

一般疑問(wèn)句：Do( Does ) +主語(yǔ)+動(dòng)詞原形+其它。如：

- Do you often play football?

- Yes, I do. / No, I don't.

當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)時(shí)，要用does構(gòu)成一般疑問(wèn)句。如：

- Does she go to work by bike?

- Yes, she does. / No, she doesn't.

特殊疑問(wèn)句：疑問(wèn)詞+一般疑問(wèn)句。如：How does your father go to work?

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