am

is

are

will

am

is

are

will

am

is

are

will

Are you going to play the piano?

Are they going to play the violin?

Are they going to play the piano?

Are they going to play baseball?

助動詞の後ろには動詞の原形がくる

主語がsheのとき、助動詞にはｓを付ける

canは助動詞

疑問文や否定文で使うdo, doesは助動詞

英語の助動詞は、5種類ある

I am going to study tomorrow.

I will not study tomorrow.

Will I study tomorrow?

I will study tomorrow.

We will have a lot of homework for the summer vacation.

We are going to have a lot of homework for the summer vacation.

I don't like doing my homework!

Is she coming to my house?

Will she come to your house?

Does she come to your house?

She won't come to my house.

Is she coming to my house?

Will she come to your house?

Does she come to your house?

She won't come to my house.

Yes, I will.

Yes, I won't.

Yes, I am.

Yes, I do.

When

If

Do

Why

Read this book now,

If you read this book,

Don't read this book,

When you read this book,

I am cleaning tomorrow.

I am going to clean tomorrow.

I will clean tomorrow.

I won't clean tomorrow too.

I will meet my grandparents in the summer vacation.

I will not meet my grandparents in the summer vacation.

I'm going to meet my grandparents in the summer vacation.

I'm not going to meet my grandparents in the summer vacation.