- Yes, I do. / No, I don't.
当主语为第三人称单数时，要用does构成一般疑问句。 例：她是骑自行车去上学吗？
（做出肯定和否定回答）
解析：- Does she go to school by bike? - Yes, she does. / No, she doesn't. 3. 一般现在时的主谓一致。
使用一般现在时要注意主语和谓语的第一个动词在人称和数的方面的一致。基本规则是：如果主语为第三人称单数，谓语的第一个动词要变为第三人称单数形式。规则如下：（易错点） ?一般情况下，直接加-s，如：cook-cooks, milk-milks
?以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes，do-does ?以“辅音字母 y”结尾，变y为i, 再加-es，如：study-studies 三、一般现在时的用法。（重点）
1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。（用be动词） 2.表示经常性或习惯性的动作。如：I get up at six every day.我天天六点起床。
注：常与表示频率的时间状语连用。如下：always、often、 usually、sometimes、seldom、hardly、never 、every morning/night/evening/day/week/year...、twice a week...
3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。（考点） 例：The teacher told us light (travel) faster than sound.
解析：宾语从句中主句如果是一般过去式，从句用相应的过去时态，但如果从句是客观事实，要用一般现在时。故填travels。
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例题精讲
1、By the end of last week,she in the west of China for two months helping the homeless children. A. will stay B. has stayed C. would stay D. had stayed 解析：by+ 过去时间与过去完成时连用，故选D。 2、The meeting when I got there yesterday.
A. was on B. has been on C. had begun D. has begun
解析：由句意可知，我昨天到那时会议已经开了。从句的动作发生在过去，而主句的动作发生在从句动作之前，强调过去的过去，故选C。 3、He said he to Beijing many times.
A. has been B. had been C. has gone D. had gone
解析：由句意可知，他去过北京几次，言外之意他现在不在北京。故排除C、D。去过北京这一动作发生在said之前，表示过去的过去。故选D。
4、I in that city for 10 years before I here .(有难度)
A. had lived, came B. has lived, came C. lived, came D. live, come 解析：由句意可知，我来这之前，在那个城市住了十年了。符合“过去的过去”。故选A。 5、Columbus(哥伦布) that the earth round.
A. proves, is B. proved, was C. proved , is D. proved, be 解析：由句意可知，哥伦布证实了地球是圆的。证实这一动作是发生在过去，要用过去时态，而地球是圆的是客观事实，要用一般现在时。
6、Parents often their children some good advice.解析
A. offer , with B. offer, / C. provide , with D. both B and C 解析：often 用于一般现在时。offer sb sth = provide sb with sth = offer sth to sb。故选D。
总结回顾
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课后作业
一、选择题。
1、（2012海淀初三上期末）By the time I got into the classroom, the teacher ____the test papers. A．had handed out B．handed out C．has handed out D．hands out
解析：考查动词时态。By the time用现在完成时，got是过去时，故用过去完成时，故选A。 2、（2013中考顺义一模）Bill is a warm and polite boy. Everyone in his class ___________ him very much. A． like B． will like C． likes D． has likes
解析：时态，表示一般的动作用一般现在时。故选C。
3、（2011初二上101中学期中）After we get back home, we usually ____ doing our homework as quickly as we can. A．help B．plan to C．try to D．finish
解析：动词辨析，根据homework as quickly as we can可知表示“完成家庭作业”，故选项D正确。 4、（2013中考海淀二模）My parents often_____ me some gifts on my birthday. A．buy B．will buy C．buys D．has bought
解析：一般现在时。故选A。
5、（2013中考怀柔一模）My father __________ his bike to work every day instead of
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driving. A． ride B． rode C． rides D． will ride
解析：时态，由everyday可知是一般现在时。故选C、
预习内容
一般过去时和一般将来时
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