The difference between complement and adverbial in English

1. Complement is used to supplement and modify the elements in a sentence. Generally, the object is decorated more, which is called object complement. As for what to supplement, it depends on the modified ingredients. If it is a noun complement, the complement is mostly an adjective. For example, the man was found dead. Indicates the state of the modified word. It can also be modified with verb phrases to indicate an action. I saw him sleeping. "I saw him. . . ""What do I see in him? " "I saw him sleeping", and "sleeping" is used to supplement the explanation of "he". Complements can also be used to modify actions. This is the same as adverbials.

2. Adverbials are used to modify an action. It can be used to represent the time and place of this action, and once it can be divided into adverbial of time and adverbial of place.

I played football yesterday.

I play football in the square.

3. differences. Generally speaking, the modification of complement is limited, not as rich as adverbial. And this sometimes has the same effect.

I play football happily.

I play football happily.

The adjective "happy" is used as a complement in the first sentence and as an adverbial in the second sentence. They are all used to modify the action of "playing", which means "I had a good time playing football."

I hope it helps!