文档介绍：语法专项复****一
(一)一般现在时
1. 一般现在时的含义⑴表示现在的状态⑵表示经常或****惯性的动作⑶表示主语具备的性格和能力。
2. 一般现在时的谓语构成
⑴动词be
肯定式 I am…否定式 I am not…
You/We/They are… You/We/They aren’t…
She/He/It is… She/He/It isn’t…
疑问式和简略回答
Am I…? Yes, you are. No, you aren’t.
Are you…? Yes, I am/we are. No, I am not/we aren’t.
Are we/they…? Yes, we/they are. No, we/they aren’t.
⑵动词 do
肯定式 I/We/You/They+动词原形+其他成分
She/He/It+动词第三人称单数形式+其他成分
否定式 I/We/You/They don’t+动词原形+其他成分
She/He/It doesn’t +动词原形+其他成分
疑问式和简略回答
Do I/you/we/they+动词原形+其他成分
Yes, I/you/we/they do. No, I/you/we/they don’t.
Does she/he/it +动词原形+其他成分
Yes, she/he/it does. No, she/he/it doesn’t.
⑶一般现在时第三人称单数的构成
规则变化
一般情况下直接+s work-works ask-asks see-sees
以s, x, ch, sh, o 结尾+es watch-watches go-goes do-does wash-washes
以辅音字母+y结尾,变y为i加es try-tries study-studies fly-flies
不规则变化 have-has
练一练
1. 给出下列单词的第三人称单数形式
play go hurry teach buy see
wash walk miss e say
2. 用所给动词的适当形式完成短文
It’s Ted’s first day at school in Shanghai. The teacher _____(take) him to the classroom. The students_____ (ask) him, “_____(do) you speak English or Chinese?” He _____ (say), “Both. My father is an Englishman and my mother is a Chinese woman.” Ted ______ (like)his new classmates. After school, he _____(say) to his parents, I_____ (love) my new school, teacher and classmates.
(二)句子种类
(1)按使用目的可分为陈述句、疑问句、祈使句和感叹句。
1) 陈述句(Declarative Sentences):说明一个事实或陈述看法。
She is at home. 她在家