Today we are looking at the present perfect, and the present perfect continuous.

今天，我们要学习完成和完成进行。

These are sentences in the present simple.

这些是般句子。

So, we're going to the Present Tense now.

所以是问题了。

Use the present form of the verb " cost."

使用动词“花费”。

It has a present tense verb in the first clause.

第句子中有动词。

Change these sentences into present or past passives.

把这些句子改为或过去被动语态。

Have a listen to another example in the present tense.

请仔细听般用法另外例句。

It is now, being used as an emphasis in the sentence.

是，而且句子中被用作强调。

Those are the differences between the present perfect and the present perfect continuous.

这些是完成和完成进行之间差异。

The next verb form should be present.

下动词形式应该是。

You forget the's' on a present simple verb?

你忘记般动词之后“s”了吗？

We use the present simple tense to talk about schedules, itineraries, and plans.

我们用般谈论日程安排、行程和计划。

If plus present tense verb, will plus future tense verb.

“If”加上般，“will”加上将来态动词。

With Unless, usually you use the present tense in the conditional clause.

使用 Unless，你通常要条件从句中使用。

We use the present simple, one, to talk about things that happen regularly.

我们用般，第，来谈论定期发生事情。

In other words, I will teach you all about the use of present simple.

换句话说，我会教你所有关于般用法。

When our attention is in the present moment, we push fear from our minds.

当我们注意力集中于，我们便能消除恐惧。

Grammar books often call will the base or present form and would the past form.

语法书经常把will称为，而把would称为过去。

We suggest changing this sentence to the present tense to say when your birthday is.

我们建议把这句子改成，用来表示你生日是什么候。

Notice I said this verb in the present tense, this one is future continuous.

注意，我说这动词是般，这是将来进行。