Both are followed by a bare infinitive.

二者都是接动词原形。

After using used " to" or " would" , we use a bare infinitive verb.

在 “used to” 和 “would” 后面，我们要用不带 “to” 的不定式。

Some verbs, such as modal verbs like " can" and " must" , are followed by a bare infinitive.

一些动词，比如情态动词，像 “can” 和 “must”，后面要接动词原形。

All modal verbs are followed by a bare infinitive verb so there is no difference.

所有情态动词后面都是接动词原形，所有没有不同。

As Mya just mentioned, we usually follow prepositions with " -ing" verbs and not full or bare infinitives.

正如 Mya 刚刚提到的，我们通常在介词后接 “ing” 形式，而不是不定式或动词原形。

Both are followed by a bare infinitive, and both can be used to give advice.

二者都是接动词原形，二者都可以用来提意见。

Those three little words that are followed by a bare infinitive and let us talk about the future.

这三个短短的词后面要跟动词原形，可以用来谈论未来。

Now, notice the form of the main verb here, that's a clue because it's not in the bare infinitive form.

要注意这里的主动词的形式，那是一个线索，因为它不是不定式形式。

" Should" , bare infinitive, and then you can just finish the sentence.

“应该”，不定式，然后你就可以完成这个句子。

So we're using 'will' as the future tense and following 'will', as with all modal verbs is the bare infinitive form every time.

我们在将来时会使用“will”，而“will”的后面和其他的情态动词一样都要加动词不定式形式。

" Will" is a modal auxiliary verb, which means it's always followed by a bare infinitive and doesn't change to show person or time.

“Will” 是一个情态助动词，也就是说，它的后面接的是省略 “to” 的不定式，而且不需要根据人称时态变化。

Used to with the base form of a verb, also called the bare infinitive, but I'm going to call it the base verb here.

“Used to”是动词的基本形式，也称为不带 to 的不定式，但在这里我就称呼它是动词原型。

Anyway, should is a modal verb, meaning it doesn't change for person or time, and is always followed by a bare infinitive.

反正，should 是一个情态动词，也就是说，它不会随着人称或者时态变化，而且后面通常要接动词原形。

It's true that all modals, including " must" and " have to" , are followed by a bare infinitive but that's not our answer.

没错，所有情态动词，包括 “must” 和 “have to” 后面都是接动词原形，但这不是我们的答案。

So it might be: " Why doesn't he" , or: " Why don't they" , and then bare infinitive.

所以它可能是：“Why doesn't he”，或者：“Why don't they”，然后是不定式。

So it looks like 'if' and the past simple in our 'if' clause and then 'would' with the bare infinitive verb following in our main clause.

因此，它的形式就是“if”加一般过去时，而在主句中使用“would”和动词的不定式形式。

We use the present simple verb in our 'if' clause and we use the future tense 'will' in our main clause so we use 'will' along with a bare infinitive verb.

我们在“if”子句中使用简单的一般现在时动词，在主句中使用将来时“will”，所以就是“will”加一个不定式动词。

We have the past simple, but you can just learn this phrase: " If I were you, " followed by: " would" and bare infinitive, " would" , bare infinitive there.

我们有简单的过去，但你可以只学习这个短语：“If I were you” ，后面跟着：“would” 和 bare 不定式， “would” ，bare 不定式。