Be 동사 : am, are, is, was, were, be (이다, 이었다, 있다, 있었다, 되다, 되었다) 주어에 따른 be동사의 변화 단수(과거형) 복수(과거형) 1인칭 I am (I was) We are (We were) 2인칭 You are (You were) You are (You were) 3인칭 She is (She was) He is (He was) It is (It was) They are (They were) 주어가 복수이면 현재형은 are, 과거형은 were 과거분사는 been Be동사 자리 명사 앞 I am a boy, That was my first fight 형용사 앞 she is beautiful 전치사 앞 We were in our room now 현재 / 과거 분사 앞 ..