was và were
I / he / she / it + was · you / we / they + wereĐây là dạng quá khứ của to be. Phủ định thêm not: wasn't, weren't. Câu hỏi thì đảo lên trước chủ ngữ. Bẫy thường gặp: Không dùng did với was/were: Did you were tired? ✗, Were you tired? ✓.
I was at home yesterday.
Hôm qua tôi ở nhà.
They were very happy.
Họ đã rất vui.
She wasn't at school.
Cô ấy không đến trường.
Were you tired?
Bạn có mệt không?