そうだよ。おまえはその時３ヶ月だったなあ。の英語

Yes, it is. You were three months old then.

Three months passed by fast.

That has been going on since 3 months ago.

That was a mere 3 months ago.

I am nostalgic about those 3 months.

Before I knew it, 3 months had passed.

There are 3 months left on that.

I've known about you since 3 months ago.

So, we only lived together for 3 months.

That was three and a half years ago.

I have been continuing that for three months.

I've known about him for 3 months.

I've been working there for three months.

I met you 3 years ago.

That was three and a half years ago.

Three years have passed since I came here.

I wanted to meet you 3 years ago.

Three years have passed since then.

I met you around 3 years ago.

That is something from two months ago.

That is something from 2 months ago.

I met you 3 years ago.

I met you 3 years ago.

You were a terrible student 3 years ago.

I can't believe three years has already gone by.

I can't believe that three years has already gone by.

3 years go by since I met you.

Three years have passed since then.

It's said this period lasts for three months.

Three years is a long time, I feel.