回答如下：
1. 限定动词：英语的谓语动词属于限定动词，它们受到主语的人称和数的限制，即它们在人称和数上要与主语保持一致，同时还有时态、语态和语气的变化。英语的非谓语动词(不定式、动名词和分词)属于非限定动词。例如：
We work hard at English.
He works in a hospital.
They came late yesterday.
She was injured yesterday.
They were in trouble yesterday.
If I were you, I would give it up.
I wish he were successful.
2. 限定性形容词：限定性形容词也称限定词，主要用来限制数量、距离、范围、类别、归属等。它包括冠词、指示代词、数词、形容词性物主代词、名词所有格。例如：
The man is my friend.
These books are about science.
The first three students are girls.
Tom's mom is in hospital.
There is a man asking for you.
3. 英语的修饰语：英语的修饰语主要有两种：定语(修饰名词)和状语(修饰形容词、副词、介词短语等)。可以作定语的词语有：形容词、名词、指示代词、形容词性物主代词、名词所有格、数词、有些副词、介词短语、定语从句、非谓语动词等; 可以作状语的词语有：名词或名词短语、形容词或形容词短语、副词、介词短语、状语从句、不定式、分词等。例如：
1) 定语：
This is a beautiful lab building.
This car belongs to our office.
The villagers there live in poverty.
The workers of the factory are on strike.
I know the man ( who is ) standing there.
I have lots of words to say.
2) 状语：
He will come tomorrow.
They walked twenty miles that day.
He stood there full of terror.
She works hard in college.
When we arrived there, it was 10: 30 am.
Badly injured, he can't come.
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