‘For’와 반드시 함께 써야 하는 동사들
Verbs That Take “For”

틀린 문장 (wait 동사 뒤에는 for를 꼭 써주셔야 합니다.)
(x) I’m waiting him.
(x) I waited you a long time.
(x) I waited him.
(x) I’m waiting the bus.

맞는 문장
(o) I’m waiting for him.
(o) I waited for you for a long time.
(o) I waited for him.
(o) I’m waiting for the bus.

예문:
How long have you been waiting for the bus?
How long did you have to wait for him?

누군가를 기다리게 하다 to keep someone waiting

He kept me waiting for more than an hour.
The boss kept me waiting for over an hour today.
I’ve been waiting and waiting for you.

무엇을 위해서 공부하고 있다.

(x) I’m preparing the TOEFL.
(o) I’m preparing for the TOEFL.

(‘I’m preparing the TOEFL’은 토플 시험지를 만들고 있다는 말입니다.)

(어색) I’m studying the TOEFL.
(o) I’m studying for the TOEFL. (시험준비를 하고 있어요)

(x) I’m getting ready my date.
(o) I’m getting ready for my date.