一、一般现在时的结构
肯定式疑问式否定式否定疑问式
I work.Do you work?I don't work.Don't you work?
You work.Do you work?You don't work.Don't you work?
We work.Do you work?We don't work.Don't you work?
They work.Do they work?They don't work.Don't they work?
He(She,It) works.Does he(she,it) work?He(She,It) doesn't work.Doesn't he(she it) work?
二、一般现在时的基本用法
1.表示经常发生的动作或存在的状态
常和always(总是),usually(通常),often(经常),sometimes(有时),every day(每天),every week(每周),seldom(难得)等时间状语连用:
a、Today is the first day of spring.今天是春季的头一天。
b、She seldom,if ever,reads a book.她难得看书。
c、She often visits her parents.她常去看父母。
d、Helen is often late.海伦常迟到。
2.表示众所周知的客观事实或普遍真理
表示众所周知的客观事实或普遍真理时,一般不用时间状语:
例如:
a、People usually don't work at weekends.人们通常在周末是不工作的。
b、Spring follows winter.冬去春来。
c、The earth is round.地球是圆的。
d、Snow is white.雪是白的。
3.有些表示状态的动词往往用一般现在时
1)、表示状态的动词包括下列动词:表示情感的动词有:envy(羡慕),love(爱),like(喜欢),hate(恨)等:
2)、表示需求、偏爱的动词有:desire(想要),hope(希望),need(需要),prefer(宁愿选择),requi