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1、一般现在时讲解,1. 一般现在时的基本用法：,1) 经常性或习惯性的动作，常与表示频率副词的时间状语连用。 时间状语： every morning(afternoon, Sunday), sometimes,at, on Sunday, often. usually, 例如：I wake up at six Oclock every morning. My friends often go to the park on Sundays.,2) 用于表示客观真理，客观存在，科学事实。 例如： The earth moves around the sun. 地球绕着太阳转。 Tomorrow is
2、 Tuesday. 明天是星期二,3) 用于格言或警句中。 例如： Where there is a will, there is a way.有志者事竟成。 4) 用于表示现在时刻的状态、能力、性格、个性。 例如： She is a good girl and always help others.她是一个好女孩，经常帮助别人。 My watch is very new。我的手表很新。,2. 一般现在时的构成： 当主语是第一人称，第二人称或第三人称复数时，谓语动词要用动词原形。 当主语是第三人称单数时，谓语动词要用第三人称单数形式,3. 一般现在时的句子转换：,（1） 当句子中有be动词或情
3、态动词时，则把be动词或情态动词提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句. （2） 当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do, does变成问句；在主语后谓语动词前加助动词dont, doesnt变成否定句，助动词后的谓语动词要变成动词原形。,一般现在时态专练,一、 用括号中所给词的适当形式填空； 1I often _ (go) swimming on Sunday. 2My daughter _ (watch) TV every day. Sometimes she _ (see) a film on Sunday. 3Li Wei _ (
4、have) a daughter. 4Her mother _ (teach) English at a middle school. 5Jack often _ (listen) to the radio. 6He _ (say) that Li Lei is tired.,go,watches,sees,have,teaches,listens,says,二、将下列句子变成否定式和疑问式： 1We go to school at night. 2My brother works in a factory. 3Her name is Mei Ling.,We dont go to schoo
5、l at night. Do you go to school at night?,My brother doesnt work in a factory. Does your brother work in a factory?,Her name isnt Mei Ling. Is her name Mei Ling?,4You have got a red pencil. 5She has lunch at home.,You havent got a red pencil. Have you got a red pencil?,She doesnt have lunch at home. Does she have lunch at home?,