Ihad finished 'is an example of the past perfect.
“我过去已经完成了”是过去完成时态的一个例句。
Most of the grammar is just past simple and past perfect.
大部分的语法都是一般过去时和现在完成时。
The present and past perfect tenses both belong to the perfect tense.
现在完成时和过去完成时都属于完成时态。
The past will never come back, even back is not perfect.
过去的不会再回来，即使回来也不再完美。
I studied hard in the past three years so that I got perfect scores.
在过去的三年里，我努力学习因而取得了满意的分数。
The present perfect tense emphasizes the effect of the past action on the present.
现在完成式强调过去所发生的事情对现在的影响。
We also use the present perfect to talk about repeated actions in the past.
我们还使用此时态谈论过去重复的动作。
Most of the grammar is just past simple and past perfect.
大部分的语法都只是一般过去时和过去完成时。
They are used as auxiliaries to the present and past perfect tenses.
它们是用作现在完成时和过去完成时的助动词。
I studied hard in the past three years so that I got perfect scores.
在过去的三年里我努力学习，我得到了完美的分数。
The company will be as in the past committed to the community to provide more perfect, more perfect service!
公司将一如既往的致力于为社会提供更完善、更完美的服务！
Comparison Compare the difference between the simple past tense and the present perfect tense.
现在完成时与一般过去时所表示的动作或状态都发生在过去，区别…
Most of the grammar is just past simple and past perfect.
大部分的语法都是普经过去时和如今完成时。
Most of the grammar is just past simple and past perfect.
大部分的语法都是普经过去时和如今完成时。
应用推荐