内容正文:
一般现在时
一般现在时
表示经常性、习惯性的动作或状态,常与
表示频度的时间状语连用。
结构:
①主语+be (am,is,are)+其他.
②主语+实义动词+其他.
含be动词:
在一般现在时态句子中动词 be 在人称和数上应与主语保持一致,选用 am, is, are。
①主语+be (am,is,are)+其他.
例句:
I am a teacher.
She is a doctor.
We are pupils.
变否定句:在be动词后加not
变疑问句:be动词提到主语前
含实义动词:
若主语是第三人称单数,则应按动词
第三人称单数的变化规则进行相应变化。
②主语+实义动词+其他.
例句:
I get up at seven every day.
She gets up at seven every day.
第三人称单数
变否定句、疑问句:
要借助助动词 do 或 does 完成
含实义动词的一般现在时态句式变换:
What do you/they do at six every day? What does he/she do at six every day?
I/We/They get up at six every day. He/She gets up at six every day.
I/We/They don’t get up at six every day. He/She doesn’t get up at six every day.
Do you/they get up at six every day? Does he/she get up at six every day?
Yes, I/we/they do. / No, I/we/they don’t. Yes, he/she does. / No, he/she doesn’t.
否定句:
肯定句:
一般疑问句:
肯/否回答:
特殊疑问句:
第三人称单数主语
其他人称主语
借助 do
借助 does
1) 一般情况下,在动词后直接加 -s,如 works, gets, reads 等。
2) 以 s, x,