什么叫一般现在进行时？

就是当前正在进行的动作
i am chatting with you
我正在和你聊天。这就叫一般现在进行时
其实说是现在进行时就行了
系动词+ing构成

现在进行时：
例如：
I am having dinner.
I am watching TV.
I am swimming.
人称+BE动词+动词ING

be(am/is/are) doing
I am doing my homework.
He is playing football.
They are watching TV now.
就是现在在做的事情

定义：一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。
用法：
1）经常性或习惯性的动作，常与表示频度的时间状语连用。
时间状语： always, usually,regularly,every morning/night/evening/day/week,often,sometimes,occasionally,from time to time,twice a week,rarely,seldom,once a month hardly ever,never.
I leave home for school at 7 every morning.

2) 客观真理，客观存在，科学事实。
The earth moves around the sun.
Shanghai lies in the east of China.
3) 表示格言或警句中。
Pride goes before a fall. 骄者必败。
4) 现在时刻的状态、能力、性格、个性。
I don't want so much.
Ann Wang writes good English but does not speak well.
比较：Now I put the sugar in the cup.
I