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Unit 4 My classroom. one door. two door s. one pen. three pen s. one blackboard. four blackboard s. one ruler. five ruler s. one box. six box es. one pencil. seven pencil s. one pencil box. eight pencil box es. one window. nine window s. one desk.
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one door two doors
one pen three pens
one blackboard four blackboards
one ruler five rulers
one box six boxes
one pencil seven pencils
one pencil box eight pencil boxes
one window nine windows
one desk ten desks
How many…are there…? There is… There are…
课课练 P35 【自主预习】写出下列名词的复数形式: 1、door 2、pencil 3、book 4、box doors pencils books boxes 5、bag 6、blackboard 7、ruler 8、window bags blackboards rulers windows 9、photo 10、boy 11、American 12、cousin photos boys Americans cousins
祈使句:表示命令、祈求、建议等的句子叫祈使句。祈使句的主语是you,往往省略。祈使句:表示命令、祈求、建议等的句子叫祈使句。祈使句的主语是you,往往省略。 加上please可以让语气委婉。please可以放句首,也可以放在句子的结尾。 e.g. Sit down , please. Please sit down. 要点:1、祈使句以动词原形开头。 2、变否定句,找到动词,在动词前加上 don’t don’t = do not Don’t sit down , please. Please don’t sit down.
door window blackboard desk pencil box bag open close clean
1、擦黑板 clean the blackboard 2、翻开你的书 open your book 3、关门 close the door 4、擦桌子 clean the desk 5、打开包 open the bag 6、合上文具盒 close the pencil box have a try
1、clean the blackboard 2、close the window 3、clean the desk 4、open the bag 5、close the book 6、close the pencil box listen and number
在英语中,当可数名词的数量超过一个时,这个名词应该用复数形式。在英语中,当可数名词的数量超过一个时,这个名词应该用复数形式。 1、直接加s pencils windows blackboards books 2、以s, x, ch, sh 结尾的名词加es watches boxes buses 3、辅音字母(除A, E, I, O,U以外的字母)+ y 时,去 y 变 i 再加es family — families baby — babies 4、以o结尾的名词加 s 或es photo — photos mango — mangoes 5、以 f 、fe结尾的名词,去 f 或 fe 加 ves knife — knives wife — wives 6、不规则的名词复数形式 man — men woman — women policeman — policemen policewoman — policewomen