一、反身代词
1．反身代词是用来表示“某人自己”的代词。 2．反身代词的形式 人称 第一人称 第二人称 第三人称 单数 myself yourself himself herself itself 复数 ourselves yourselves themselves 3.反身代词的用法
(1)作宾语。反身代词常用在buy, hurt, enjoy, help, teach, wash, look after等动词或词组的后面作宾语，表示动作对象是主语本身；也可以用在介词后面作介词的宾语。
(2)作同位语。反身代词可以作主语或宾语的同位语，意为“亲自，本人”，起强调作用。 (3)反身代词构成的一些常用短语：
hurt oneself 伤了自己 teach oneself 自学 enjoy oneself 玩得愉快
help oneself (to) 随便(吃/喝)
leave sb by oneself 把某人单独留下
二、情态动词can的用法
1．基本用法
can是情态动词，后跟动词原形。 2．句式变化
(1)在变否定句时，直接在can后加上“not”，即can not，也可缩写成can't。
(2)在变一般疑问句时，can直接移到主语前，原主语的首字母改成小写，第一人称应变为第二人称。其肯定回答为“Yes，…can.”； 否定回答为“No, …can't.” (3)特殊疑问句：特殊疑问词＋can＋主语＋动词原形＋其他？
单项选择
( )1.[2018·天津]—She is too busy to help us finish the work. —Let's do it ________． A．herself B．myself C．itself D．ourselves ( )2.[2018·滨州]—________ I swim here?
—I'm sorry. Children ________ swim alone here. It's very dangerous. A．Must; can't B．May; must C．Can; mustn't D．Can't; can
( )3.[2018·连云港]—How amazing this robot is!
—Wow, it has video cameras in its eyes, so it ________ “see” and interact(交流) with people. A．may B．can C．must D．should
( )4.If you want to know something about Miss Green, you'd better ask her ________． A．yourself B．myself C．himself D．himself
( )5.[2017·河北]I have travelled a lot. I ________ speak four languages. A．can B．may C．must D．need
( )6.The little boy enjoyed ________ at his birthday party. A．myself B．himself C．herself D．themselves
( )7.—Did you make the kite ________， kids? —No, our uncle made it for us. A．yourselves B．yourself C．themselves D．you
( )8.Don't leave the girl at home by ________. It's dangerous. A．himself B．itself
C．herself D．themselves
( )9.[2018·德阳]Jack ________ be at home because I saw him in the library just now. A．can't B．may C．must D．mustn't
( )10.The story ________ is moving. A．it B．its C．itself D．it's
教师详解详析
语法精练
1．D 考查反身代词。句意：“她太忙，不能帮我们完成工作。”“那我们自己做吧！”由句意可知反身代词应该用ourselves。 2．C 考查情态动词。句意：“我能在这儿游泳吗？”“对不起，小孩儿不准在这儿独自游泳，太危险。”can't意为“不能”；mustn't意为“不准”。
3．B 考查情态动词。句意：“这个机器人太神奇了！”“哇，它眼睛里有视频相机，所以它能看见人们并和人们互动。”
4．A 考查反身代词。句意：如果你想知道一些关于格林小姐的事情，你最好自己问她。根据主语you可知，其反身代词是yourself。故选A。
5．A 考查情态动词。句意：我经常旅行。我能说四种语言。本句强调说话的能力。故选A。
6．B 考查反身代词。句意：这个小男孩儿在他的生日聚会上玩得很开心。enjoy oneself意为“玩得开心”，主语为the little boy，故反身代词用himself。故选B。
7．A
8．C 考查反身代词。leave sb by oneself意为“把某人单独留下”；由the girl判断，应该用herself。故选C。
9．A 考查情态动词。句意： 杰克不可能在家，因为我刚才在图书馆看见他了。can't意为“不能；不可能”；mustn't意为“不准，禁止”。故选A。
10．C
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