- "I agree" and "I agreed" are correct ways to express agreement in the present and past tense.
- "I am agree" and "I am agreed" are incorrect in standard English.
❌ I am agree/agreed that more research is needed before we can make a decision.
✅ I agree/agreed that more research is needed before we can make a decision.
What do "I agree" and "I agreed" mean?
"I agree" is a commonly used phrase to express your consent or alignment with someone else's statement, opinion, or proposal. It's a natural way to indicate that you share the same viewpoint or perspective as someone else.
"I agree" is in the present tense, while "I agreed" is in the past tense. The short dialogue below shows how the two phrases can be used.
B: The new superhero movie looks cool. What do you think?
A: I agree, it looks exciting. I'll book the tickets online then.
B: Oh no, I'm sorry. I just remembered that I agreed to help John fix his bike tonight.
A: Oh, that's okay. We can watch the movie a different night.
B: Thanks for understanding. Let's watch the movie tomorrow night!

The use of "I agree," "I agreed," "I am agree," and "I am agreed" over time
The Ngram graph below shows how often "I agree," "I agreed," "I am agree," and "I am agreed" have been used from the 1800s to the 2000s. "I agree" is used the most frequently, while "I agreed" has had a slight increase in use in the last 20 years. The incorrect phrases, "I am agree" and "I am agreed," have always seen nearly zero use.

How to pronounce "I agree" and "I agreed"
In American and British English, "I agree" is pronounced like "ai uh·gree," and "I agreed" is pronounced like "ai uh·greed."
These are just the standard pronunciations, and there may be slight variations depending on regional accents and individual speech patterns.
Why would we write "I am agree/agreed" instead of "I agree/agreed"?
The incorrect phrase "I am agree/agreed" likely arises from confusion about English grammar rules. In English, "agree" is a verb, and when used with the subject "I," it typically follows the pattern of "I agree." However, in some languages, including languages like French or Spanish, the equivalent phrase may use a form of the verb "to be" followed by an adjective, which might lead to the confusion.
The phrase "I am agree" seems logical if you're thinking about it in terms of describing a state of being ("I am") followed by an adjective ("agree"). However, in English, "agree" is not an adjective used to describe a state of being. Instead, it's a verb that expresses an action, like "to like" or "to understand." So, the correct way to express agreement is simply "I agree." It's a common mistake made by English learners who are still getting used to how verbs work in English compared to their native language.
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Example sentences of "I agree" and "I agreed"
- I agree that the new policy will benefit everyone.
- It's rare, but for once, I agree with your opinion.
- I agree wholeheartedly with the decision to move forward.
- Despite our differences, I agree that compromise is necessary.
- After reviewing the evidence, I agree with the conclusion drawn by the experts.
- I agreed to meet him at the café for lunch.
- Despite my worries, I agreed to go on the trip with them.
- I agreed to the terms of the contract after careful consideration.
- Initially, I agreed with their proposal, but upon further reflection, I changed my mind.
- After much negotiation, I agreed to compromise on the terms of the agreement.
What prepositions should I use with "I agree"? Is it "I agree with" or "I agree to" or "I agree for"?
- With: "I agree with" is a correct and commonly used expression. After "with," you state the person or thing that you agree with. For example, you can say "I agree with Tom about the project" or "I agree with your decision."
- To: "I agree to" is also correct. After "to," you state the thing that you're agreeing to do or accept. For instance, you can say "I agree to the contract" or "I agree to help clean the classroom."
- For: "I agree for" is not correct in standard English.

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