英语的时态结构如下：

一般现在时

结构：主语 + do/does

用法：

表示现在的情况、状态和特征。

表示经常性、习惯性动作。

客观事实和普遍真理。

表示一个按规定、计划或安排要发生的动作。

例句：

He is a student.

He always helps others.

The earth moves the sun.

They will meet at 3 pm.

一般过去时

结构：主语 + did

用法：

表示过去某个时间里发生的动作或状态。

表示过去习惯性、经常性的动作。

例句：

They played football yesterday.

She went to the store last week.

一般将来时

结构：will do

用法：

表示将来要发生的动作或状态。

例句：

I will travel to Japan next year.

They will start the meeting at 9 am.

现在进行时

结构：主语 + am/is/are doing

用法：

表示此时此刻正在发生的事情。

例句：

She is studying English right now.

They are playing basketball at 7 pm.

过去进行时

结构：was/were doing

用法：

表示过去某个时刻正在进行的动作。

例句：

They were watching TV at 8 pm yesterday.

过去将来时

结构：was/were to do 或 would do

用法：

表示从过去的角度看将要发生的动作或状态。

例句：

She was supposed to arrive at 5 pm.

They would travel to France every summer.

现在完成时

结构：have/has done

用法：

表示从过去某一时间点开始一直延续到现在的动作或状态。

例句：

I have finished my homework.

They have lived here since 2010.

过去完成时

结构：had done

用法：

表示在过去某一时间点之前已经完成的动作或状态。

例句：

She had already left when I arrived.

They had finished the project by last Monday.

现在完成进行时

结构：have/has been doing

用法：

表示从过去某一时间点开始一直延续到现在的动作，并且可能继续延续下去。

例句：

I have been studying English for 5 years.

过去完成进行时

结构：had been doing

用法：

表示在过去某一时间点之前已经开始并一直延续到过去的动作。

例句：

She had been crying when I arrived.

这些时态在英语中非常常见，掌握它们对于提高英语语法水平非常重要。