to 부정사 & must, must not, don't have to, had to

[A] to부정사

100

난 춤추는 것을 좋아해. 

I love to dance.

200

나는 버스를 잡으려고 빨리 달렸다. (catch)

I ran fast to catch the bus.

300

그렇게 말해주다니 정말 착하구나!

You are so kind to say that!

400

나는 쉴 만한 장소를 찾았다. (rest)

I found a place to rest.

500

그걸 믿다니 넌 미친 게 틀림없어.

You must be crazy to believe it.

[B] to 부정사

100

자러 갈 시간이야.

It is time to go to bed.

200

I like the song. It is ____________.

난 그 노래가 좋아. 부르기 쉬워.

It is easy to sing.

300

그녀는 소식을 듣고서 놀랐다. (hear the news)

She was surprised to hear the news.

400

너는 마실 무언가가 필요하니?

Do you need something to drink?

500

그것에 대해 얘기할 누군가가 필요해.

I need someone to talk to(with) about it.

[C] must / must not / don't have to / had to

100

Use your cellphone in the movie theater.

영화관에서는 폰을 사용하면 안돼

You must not use your cellphone in the movie theater.

200

Sorry I am late. I _______ see a doctor this morning.

had to

300

그녀는 뭔가를 숨기고 있는게 틀림 없어. (She, be hiding, something, must)

She must be hiding something.

400

네 자신에게 정직해야 해 (must, You, to, be honest, yourself)

You must be honest to yourself.

500

모두에게 친절할 필요는 없어.

You don't have to be kind to everyone.

[D] must / must not / don't have to / had to

100

She _______ eat less junk food.

She must eat less junk food.

200

You _______ tell this to anyone. It's a secret!

You must not tell this to anyone. It's a secret!

아무한테도 말하면 안돼. 비밀이야!

300

You ________ worry about me. I'm fine.

You don't have to worry about me. I'm fine.

내 걱정 안해도 돼. 난 괜찮아.

400

물 속에 뭔가가 있는 게 틀림없어. (There, be, something, must, the water, in)

There must be something in the water.

500

이건 사랑인 게 틀림없어! 

It must be LOVE!