agree with/on/to

[soso]

agree
1. 'agree'

If someone says something and you say 'I agree', you mean that you have the same opinion. 나도 같은 의견을 가졌다는 의미
'That film was excellent.' – 'I agree.'

2. 'agree with'

You can also say that you agree with someone or agree with what they say. 상대가 하는 말에 동의한다는 의미
I agree with Mark.
He agreed with my idea.

Be Careful!
Don't say that you 'agree something' or 'are agreed with' it. Also, when you use 'agree' in this sense, don't use the progressive. Don't say, for example, 'I am agreeing with Mark'.

agree 는 자동사이기에 명사가 뒤에 쓰일 수 없다

3. 'agree to'

If you agree to a suggestion or proposal, you say that you will allow it to happen. 제안이나 요청을 허락한다는 의미
He had agreed to the use of force.

However, don't say that someone 'agrees to' an invitation. You say that they accept it. 초청엔 동의하다가 아니고 수락하다
He accepted our invitation to the dinner party.

If someone asks you to do something and you agree to do it, you say that you will do it. 부정사가 쓰이면 하겠다는 의미
She agreed to lend me her car.
She finally agreed to come to the club on Wednesday.

Be Careful!
Don't say that you 'agree doing' something. 과거나 실제일 특성이 있는 동명사를 목적으로 쓸 수 없다

4. 'agree on'

If people reach a decision together about something, they agree on it. 결정에 이른 사안에 동의하면 to 를 쓴다
We agreed on a date for the wedding.


5. 'agree that'

You can say what the decision is using agree and a that-clause. 타동사로 쓸려면 that 절을 목적으로 써야한다
They agreed that the meeting should be postponed.

The passive form 'It was agreed that...' is often used.
It was agreed that something had to be done.