-
1008人感兴趣
-
1049人感兴趣
-
1114人感兴趣
-
1001人感兴趣
-
1004人感兴趣
-
1010人感兴趣
一、 定义与讲解
二、一般现在时的用法
三、一般现在时的结构
情况 |
构成方法 |
读音 |
例词 |
一般情况 |
加 -s |
清辅音后读/s/ 浊辅音和元音后读/z/ |
swim-swims;help-helps;like-likes |
以辅音字母+o结尾的词 |
加 -es |
读/z/ |
goes,does |
以s,sh,ch,x等结尾的词 |
加 -es |
读/iz/ |
watches,washes |
以辅音字母+y结尾的词 |
变y 为i再加es |
读/z/ |
study-studies |
不规则变化have和be动词 |
变have 为 has变be为am,is,are |
have-has be-am,is,are |
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? |
一般现在时的结构