Ambush is always preferable when the terrain presents perfect color.

周边环境理想时，狮子更喜欢打伏击战。

And again, I've got your present perfect here.

同样地，这里我使用了完成时。

But you could just change it a little bit and say " where do you live? " " I live in Spain. I've been living here for two years now" , right? Present perfect continuous.

但你可以稍微改变一下然后说“你住哪里？”，“我住西班牙。我已经这里住了两年了”，对吧？完成进行时。

American and British English speakers use the present perfect verb tense in similar ways.

英式英语和美式英语完成式的使用上比较相似的。

But, the present perfect is still in the game.

但，完成时仍有一席之地。

This is the present perfect continuous, the past perfect uses had.

这完成进行时，过去完成时使用的 had。

I'm going to show you some past simple sentences and you're going to decide if they should remain past simple or be changed into the present perfect.

我会给你们一些一般过去时的句子，然后你们来判断它们该用一般过去时还要变成进行时。

Please make a sentence using the present perfect tense.

请以完成式的时态造句。

You need present perfect simple, not continuous, to speak about the result of your day.

你需要使用完成时，而不进行式，来谈论你一天的结果。

Mistake number five, past simple or present perfect.

第五类错误，一般过去时还完成时。

With 'yet' and 'already' we usually use the present perfect, not the simple past.

使用 yet 和 already 时，我们通常会使用完成时，而不一般过去时。

But we use the present perfect because they're important now.

但我们用完成时因为它们很重要。

So a little snack is kind of the perfect present for him.

所以小零食对他来说完美的礼物。

Present perfect tense, where would have we used the third form of forgive.

这里用的完成时态，所以我们要用“forgive”的完成时。

Plus, if they have been researching possible sightings of the creature, it's something they've been doing for a while and are still doing now, making it present perfect progressive.

再难点，如果他们一直研究生物的目击证据，表明他们已经做了一阵并且仍做的事情，" have been researching" 完成进行时。

Now we use the present perfect continuous to talk about something that's started in the past and continues to the present, and that might sound very similar to the present perfect, but there are a few key differences.

我们用完成进行时来谈论从过去开始并持续到的事情，这听起来可能非常像完成时，但有一些关键区别。

She's and he's take an S sound. they've, we've as well. So it's this V sound in the contracted form which refers to the have or has, ending as in the present perfect tense. so I've, I've.

She's和he's带有S音。they've、we've也如此。缩写形式中，这个V音指的have或has，以完成时结尾。

She does show a broad range of grammar, including present perfect, progressive form, passive form; but there are some cases where she could use some more complex grammar to add an extra layer of clarity and accuracy to her language.

她的语法的确涉及面很广，包括完成时、进行时和被动语态；但某些情况下，她可以使用一些更复杂的语法来使她的语言更加清晰和准确。

And have always excelled, that's the present perfect tense, it means they're good now and they were good in the past, they have always excelled.

一直很出色，这完成时，意思他们很不错，过去也很不错，他们一直很优秀。

This is the present perfect progressive or continuous tense because it indicates that something started in the past and is still going on in the present.

这完成进行时或完成持续时，因为它表示某事始于过去，并持续到。