第二部分 专项语法 高效突破专项 10 动词的时态高频考点精讲考点 1 一般现在时1
一般现在时的构成:在一般情况下用动词原形,若主语为第三人称单数,一般在动词原形后加- s 或- es
情况构成方法例词一般情况直接加- s read→reads ;love→loves以s , o , x , ch , sh结尾加- es pass→passes ;box→boxes ; teach→teaches ;wash→washes以辅音字母+ y 结尾将 y 变为 i ,再加- es carry→carries ;study→studies不规则变化 have→has ; be→am/is/are2
一般现在时时间状语:always , usually , often , sometimes , hardly , never ,every day , on Sundays , every evening , every month , once a week 等
3 .一般现在时的用法:表示经常发生的或习惯性的动作或存在的状态
常见标志词:often , sometimes , usually ,always , twice a month , on Sundays , every week / month / year 等①He usually leaves for school at 7 in the morning
他经常早上7 点去上学
②He is 11 years old
他 11 岁了
表示客观事实、真理He said that the earth moves round the sun
他说地球绕着太阳转
由 when , after , before , as ,as soon as 等引导的时间状语从句和 if , unless , as long