四年级英语单数变复数练习

一、单数变复数：classroom- window- light- picture-computer- floor- wall- teachers desk- schoolbag - door- fan - cake-name- storybook toy- kite-candy- notebook- blackboard- key-picture- shoe- glass- bag-二、用括号里的词的正确形式填空。I have two (candy), three (key), some (toy), some (storybook) and a (panda) in my (schoolbag)一、单数变复数：classroom- window- light- picture-computer- floor- wall- teachers desk- schoolbag - door- fan - cake-name- storybook toy- kite-candy- notebook- blackboard- key-picture- shoe- glass- bag-二、用括号里的词的正确形式填空。I have two (candy), three (key), some (toy), some (storybook) and a (panda) in my (schoolbag)可数名词变复数形式的规则1一般情况，在词尾加-s.desk-desks girl-girls boy-boys pen-pens2以-s,-x,-ch,-sh 结尾的词，在词尾加-esbus-buses box-boxes brush-brushes watch-watches3以辅音字母加-y结尾的词，变y为i，加-es baby-babies family-families4以-f或-fe结尾的词，变f或fe为v，再加-es knife-knives刀 leaf-leaves树叶5以辅音字母加-o结尾的词，一般情况下，在词尾加-es tomato-tomatoes potato-potatoes6可数名词变为复数形式的不规则变化如下：foot-feet mouse-mice man-men woman-women child-children Chinese-Chinese deer-deer sheep-sheep fish-fish名词单数变复数练习box_pencil_watch_star_door_flower_ window_bag_book_dog_cat_tree_ people_girl_man_woman_policeman_ tooth_ _doctor_teacher_child_class_ student_eye_ear_photo_map_desk_half_bird_wolf_ family_ sheep_baby_bus_cloth_ key_tomato_mouse_dish_eraser_ apple_动词be（is,am,are）的用法我(I)用am, 你(you)用are，is跟着他(he)，她(she)，它(it)。单数名词用is，复数名词全用are。变否定，更容易，be后not加上去。变疑问，往前提，句末问号莫丢弃。还有一条须注意，句首大写莫忘记。10. She very nice.11. I ten years old. 12. Mary, this Tom.13. Miss Zhou my teacher. 14. Li Lei and I good friends.15. Those bananas. 16_she from Canada?17. The books on the desk. 18. My telephone number 8563-0770填入be动词的适当形式1. I a student. 2. He my brother.3. My name Harry. 4. Li Lei very tall.5. What this? 6. This book very interesting.7. Those apples. 8. They students.9. you good at English? 用适当的代词填空。1. Li Lei is from China. is Chinese. 2. My name is Gina. am a student.3. This is Tom. is in Grade Two. 4. His name is Tony. Telephone number is 856-0770.5.I