一、一般现在时
构成：动词原形或动词的第三人称单数形式。
[观察典例]
1．I often read books in my spare time.
2．Mary is good at music.
3．The earth moves around the sun.
4．You'll make great progress if you work hard!
5．The train leaves at 7：25 this evening.
用户名
密 码
忘记密码 新用户注册
