What should be added after the copula verb and the notional verb? There are also some sensory verbs that are difficult to distinguish, such as taste, expression and smell ... help me distinguish them.

A copula is also called a conjunction verb. As a copula, it has its own meaning, but it cannot be used as a predicate alone. It must be followed by a predicate (also called complement) to form a copula structure to explain the situation, nature and characteristics of the subject.

Description:

Some copula verbs are notional verbs. When a verb expresses a substantive meaning, it has a meaning and can be used as a predicate alone, for example:

He was ill yesterday.

He was ill yesterday. (fell is a copulative verb, followed by a complement to explain the subject. )

He fell off the ladder.

He fell off the ladder. Fell is a notional verb with an independent predicate.

1) state verb

The only word used to express the subject state is be, for example:

He is a teacher. He is a teacher. (is and complement together indicate the identity of the subject. )

2) Continuous verbs

Used to indicate that the subject continues or maintains a state or attitude, mainly keep, rest, remain, stay, lie, stand, for example:

He always keeps silent at meetings.

This matter remains a mystery. This matter is still a mystery.

3) Ideographic verbs

Used to express the concept of "looks like", mainly seems, looks, looks, for example:

He looks tired. He looks tired.

He seems very sad. He looks very sad.

Feeling verbs

Sensory verbs mainly include feeling, smell, sound and taste, for example:

This kind of cloth feels soft.

This kind of cloth feels soft.

This flower smells delicious.

This flower smells delicious.

5) Inflectional verbs

These verbs indicate what the subject has become. Changing verbs mainly include changing, growing, turning, falling, getting, going, coming and running.

For example:

After that, he became crazy. After that, he went crazy.

She became rich in a short time. She won't be rich for long.

Termination verb

It means that the subject has terminated the action, mainly including proof and transfer-out, which means "confirm" and "become", for example:

The rumor proved to be false. The rumor proved to be false.

It turns out that searching is very difficult. It turns out that searching is very difficult.

His plan turned out to be successful. His plan finally succeeded. (Transfer-out Table Termination Result)