granny wang told the children that the sun _____ from the east. a. has risenb. rosec. risesd. raise go to help her if she _____ in trouble. a. is goingb. will bec. comesd. is do you know which picture _____ best?
a. does she likeb. she likes c. did she like d. she is liking
the whites _____ many places of interest since they came to china. a. have visitedb. will visic. visitedd. visit
i don’t know if she ____ me when she ____.(2000黑龙江) a. tells; arrivesb. tells; will arrive c. will tell; will arrived. will tell; arrives
never trouble me while i ____ in my room!(2000河北) a. will sleepb. asleepc. am sleepingd. slept
if you ____ lunch at school today, so will i.(2000湖北黄冈) a. haveb. have hadc. will have d. had –you’re smoking a lot.
only at home. no one ____ me but you.
lucy is studying in beijing. she ____ london for one year. a. has leftb. gas left for
c. has been away fromd. has been away
they never knew what _____ to the world in a hundred years. a. happenedb. would happen c. had happenedd. would be happene
一般现在时
它表示1)经常性、习惯性的动作或存在的状态。e.g. i go to school on foot. he is very busy now.
2)表示主语的特征、性格、能力、爱好等。e.g. he can swim. i work hard. i like watching tv.
3)表示客观真理 e.g. there are seven days in a week. the moon moves round the earth.
其结构按正常语序，即“主语+谓语+其它”，有时为了起强调作用，时间状语也可提前.
其句式变化可分为两种情况
1)表示动作， 一般人称作主语的，变否定句须在动词前加助动词don’t；变一般疑问句须在句首加助动词do。
e.g. they have lunch at 12:00. they don’t have lunch at 12:00. do they have lunch at 12:00?
2） 单三人称做主语的，变否定句须在动词前加助动词doesn’t；变一般疑问句须在句首加助动词does。 e.g. jenny speaks english very well. jenny doesn’t speak english very well. does jenny speak english very well? 含有be动词的要在be上做变化. e.g. danny is a good student. danny isn’t a good student. is danny a good student?
其时间状语为often、 usually、 always、 sometimes等频率副词，on saturdays、 in the morning(afternoon evening) 、every day 等。
做题时常见错误如下：
一、be动词与行为动词同时出现在句子中 例：we are plant (plant) the trees in spring. 答案：plant
解析：学生往往会用汉语的思维方式去翻译，就成了“我们是在春天植树”。这是学习英语最忌讳的，要看语法是不是正确，在英语中，be是表状态，do是表动作，两种动词不能同时出现在句子中，可记住如下口诀：“英汉语言有差异，be 、do不能放一起，仔细琢磨细分析，语法千万要牢记。”
专项练习： 一、 单选
1 jenny ____ in an office. her parents ____in a hospital. a work works b works work c work are working d is working work
2 one of the boys_____ a black hat. a have b there is c there are d has 3 we will go shopping if it____ tomorrow. a don't rain bdidn't rain cdoesn't rain disn't rain 4 he said the sun ____in the east and ____in the west. a rose; set b rises; sets c rises, set d rise; sets 5 wang mei ____ music and often ____ to music.
a like; listen b likes; listens c like; are listening d liking ; listen 6 jenny____ english every evening. a has study b studies c study d studied 答案：1 b 2d 3c 4b 5b 6b
二、填空
1 i can take li ming there when he _____ ( come) to visit. 2 _____your sister_____(know)english?
3her home____ _____ ______(远离 )her school. 4the pot_____(not look) like yours very much. 5 where _____you____(have)lunch every day? 6 who_____(想要 )to go swimming?
7 ______she_____(do) the housework every day?
8 jenny and danny usually______(play) games in the afternoon . 答案：1 comes 2 does know 3 is away from 4 doesn't look 5 do have 6 wants 7 does do 8 play 二、单三人称形式易出错
例：1 he plaies (play) football very well. 2 danny gos (go) to school at 7:10. 答案：1 plays 2 goes
解析：1以辅音字母加y结尾的动词变单三人称形式才能把y换成i再加es；2与名词变复数不同，变单三人称形式以o结尾的词要加es. 三、在句式变换时易出错
例：1 does jenny has (has) a good friend?
2 brian doesn’t lives (not live) in china. 答案：1 does have 2 doesn’t live
解析：单三人称做主语的一般现在时做句式变化时，可记住如下口诀：“见助动，用原形”。此口诀也可推广用于一般过去时态中。e.g. he didn't go home yesterday. 四、对do的理解易出错
例：we don’t (not do) our homework in the afternoon. 答案：don’t do
解析：do是一个比较难理解的词，它有三个含义: a)是所有行为动词的总称；b)是助动词，无实义；c)是一个具体的行为动词“做，干”。此句中给出的do指“做，干”，not指把此句变为否定句，故须在do前加助动词don’t。
五、对主语的数判断有误
例： li ming with me are (be) in beijing. 答案: is
解析:表面一看是“我和李明两个人在北京”，但with在此做伴随状语，不能做主语，故用is.
另外，宾语从句中，从句部分若是表示客观真理，不管主句是何时态，从句都要用一般现在时；在时间和条件状语从句中，主句表将来，从句要用一般现在时。
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