Remember to use the infinitive after the person.

记住在人后使用定式。

Super easy! Just use the infinitive without " to" . Easy!

超简单！就是带“to”的定式。简单！

ADJECTUVAL INFINITIVES are infinitives that act like adjectives in a sentence.

形容词定式是指在句子中充当形容词的定式。

'Can' is the base form of the verb, which is the infinitive without 'to'.

can，是词定式带to的基本形式。

When an adjective is followed by a verb, its form is usually a full infinitive.

当形容词后面接词的时候，通常要接词定式。

After modal verbs, we always have the infinitive.

在情态词之后，我们需要用定式。

An infinitive is the base form of the verb.

定式是词的基本形式。

The structure is subject, let, object, infinitive.

结构是主语，let，宾语，定式。

First things first, what are gerunds and infinitives?

首先，什么是名词和定式？

And here I have " to call" in the infinitive.

这里我用了词定式 “to call”。

How do infinitives modify these nouns?

定式如何修饰这些名词呢？

If plus past tense verb, would plus infinitive verb.

“If”加上词的过去式，“would”加上词定式。

And when we use do you fancy, we don't use the infinitive to go.

当我们说 do you fancy 时，我们用定式 to go。

But there's also the zero infinitive or the base form.

但是词的基本形式也可以是没有定式的。

So 'to get' — 'to bend', infinitive forms of verbs.

likely 后面接的都是 to get——to bend，词的定式形式。

You can't use an infinitive so this sentences is wrong.

你能使用定式，所以这个句子是错误的。

Now let's move on to infinitives.

让我们来看看定式。

But, here, this " to" is not part of the infinitive.

但是，在这里，这个“to”是定式的一部分。

The word " to" shows that an infinitive verb will follow.

单词" to" 意味着后面会跟一个定式词。

Again, subject followed by 'should', followed by the infinitive verb.

同样，句子又主语加should和词定式组成。