七年级英语专项练习have/has 的用法①作“有”讲时，强调“所属关系”，表示“拥有”的意思。

其主语常为人或物。

如：My father has many new books．我爸爸有许多新书。

I have a new computer．我有一台新电脑。

②“have＋表示一日三餐的名词”，意为“用餐”。

如：have breakfast／lunch／supper吃早饭／午饭／晚饭。

③“have＋表示食品、饮料等名词”，意为“吃；喝”。

如：have bread吃面包 have eggs 吃鸡蛋 have tea 喝(一杯)茶。

④“have＋表示动作的名词”，没有固定的意思，常与表示动作的名词同义。

如：have a rest 休息一下 have a swim 游泳 have a drink (of．．．)喝一点(……) have a look (at ．．．)(朝……)看一眼⑤“have＋表示某种活动的名词”，意为“进行，举行”。

如：如：have a class (学生) 上课have a birthday party 举行生日聚会一．填写正确的形式。

1.I ____ (have) a cat.2.He ____ (have) a dog.3.She ____ (have) long hair.4.We ____ (have) a big house.5.They ____ (have) a happy family.6.It ____ (have) a short neck.7.You ____ (have) a good teacher.8.Elva ____ (have) two big eyes.9.Tom ____ (have) a red pen.10.My mother ____ (have) a small nose. 11.Cats ____ (have) four legs.12.Dogs ____ (have) two ears.13.My father ____ (have) a blue car.14.Everybody ____ (have) two hands.15.I ____ (have) a cat.16.Lily ____ (have) a toy.17.Students ____ (have) many books.18.Girls ____ (have) nine books.19.The baby ____ (have) two teeth.20.They ____ (have) some apples二．Fill in the blank with “ have, has ”1. I_________ a nice puppet.2. He_________a good friend.3. They__________ some masks.4. We___________some flowers.5. She___________ a duck.6. My father____________ a new bike.7. Her mother___________a vase.8. Our teacher_________ an English book.9. Our teachers___________a basketball.10. Their parents___________some blankets 11. Nancy_________many skirts.12. David__________some jackets.13. My friends__________a football.14. What do you__________?15. What does Mike__________?16. What do your friends___________?17. What does Helen___________?18. His brother________a basketball.19. Her sister_________a nice doll.20. Miss Li__________an English book.三．下面我们做一些练习来巩固一下：七年级上册英语do/does专项训练①作为行为动词，表示“做”如：I always do housework. 我经常做家务。

She usually does homework in the afternoon. 她通常在下午做作业。

②作为助动词，帮助主要动词构成否定和疑问。

(do/does的否定为don’t/doesn’t)如：We don’t like bananas.Do you like apples? Does he like English?He doesn’t like swimming.一．填写正确的否定形式（don’t/doesn’t）。

1.I ____ have a cat.2.He ____ like dogs..3.She ____ have a long hair.4.We ____ have a big house.5.They ____ have a happy family.6.It ____ have a short tail.7.You ____ like a good teacher.8.Elva ____ like a bad girl.9.Tom ____ have a red pen. 10.My mother ____ have a beautiful nose.11.Cats ____ have two legs.12.Dogs ____ have one ears.13.My father ____ have a blue car.14.Everybody ____ have two hands.15.I ____like a model plane.16.Lily ____ like a toy.17.Students ____ have many books.18.Girls ____ have many skirts.19.The baby ____ have no tooth. 20.They ____ have some fish.二．将下列句子变为否定句。

1. I want to go home now. ____________________________________2. She likes eating apples very much. ____________________________________3. He likes this coat. ____________________________________4. They have a lot of friends. ____________________________________5. She wants to be a doctor. ____________________________________6. He has a dream. ____________________________________可数名词单数变复数规则及练习名词可以分为可数名词与不可数名词。

其中可数名词具有单复数的形式；而不可数名词没有复数形式。

可数名词复数变化规则如下：1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2．以s. x. sh. ch结尾，加-es，读作【iz】。

如：bus-buses, box-boxes, watch-watches，brush-brushes3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families,strawberry-strawberries练习：library dictionary4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives，thief-thieves练习：wolf wife5. 以o结尾，记住hero-heroes, tomato-tomatoes， potato-potatoes加es(英雄爱吃西红柿和土豆)不规则名词复数变化：man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice, child-children, foot-feet, tooth-teeth以下名词单复数相同fish-fish, sheep-sheep， deer-deer以下词为不可数名词。

water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice（果汁）bread（面包）不可数名词的数量关系可借助量词表示，如:a cup of tea, two cups of tea名词复数练习题1）.填入所给名词的正确形式1. I have two_____ (knife)2. There are many _____ here. (box)3. There are many _____ on the road. (bus)4. A few _____ are drawing on the wall. (boy)5. The _____ are playing football now. (child)2）选择填空1. They come from different ______A. countryB. countriesC. a countryD. countrys2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato3. There are some ______ in these _______.A. knifes…pencil-boxesB. knives…pencils-boxC. knives…pencil-boxesD. knives…pencils-boxes4. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs5. _______ are good for our health.A. TomatosB. TomatoesC. Tomato6. I like to eat cake with ______.A. cherriesB. cherryC.cherrys7. ______ and ______ are not friends.A. Foxs wolfsB. Foxes wolfsC. Foxes wolves8. Do you want to drink much ?A、a milkB、milkC、milks9. This is room. It’s very big.A、Lily and Lucy’sB、Lily’s and Lucy’sC、Lily’s and Lucy10. Do you want some for supper?A、a potatoB、potatoesC、potatos11. In autumn，you can see a lot of on the ground.A、leafB、leafsC、leaves12. My sister has two . One is old，the other is new.A、a watchB、watchsC、watches13.There on the wall .They are very beautiful.A. are photoesB. are photosC. is a photoD. is photos14. That’s art book.A. anB. aC. the D are15. There two in the box.A. is watchB. are watchesC. are watchD. is watches 3）请用括号中名词的复数形式填空1． Look at those _______. (child)2． I can see a __________ standing near the door. (policeman)3． Do you want some ________ for dinner? (potato)4． In autumn, you can see a lot of _______ on the ground.(leaf)5． He has two _______.One is blue , the other is yellow.( box)6． Two ________ live in this building .( family )4）选择正确的词形1． How many (radioes, radios) can you see?2． There are 36 (boys, boies) in my class.3． Look at those (sheeps, sheep).4．I don’t want (a, an) old cup.5． Give me that (box, boxes), please.5）将以下单复数句进行转换1． This is a knife. ______________________________2． That is a tomato. ______________________________3． That child is very good.____________________________4 . These are mice. ____________________________ 5． Those are children. _____________________________。