Ngữ pháp
B2 · intermediate · suy nghĩ
He must be tired yesterday.
He must have been tired yesterday.
Suy đoán về quá khứ: must have + quá khứ phân từ.
"He must be tired yesterday." hay "He must have been tired yesterday."?
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Câu hỏi thường gặp
He must have been tired yesterday. nghĩa là gì?
Nói đúng: "He must have been tired yesterday." — không nói "He must be tired yesterday.". Suy đoán về quá khứ: must have + quá khứ phân từ.
Ví dụ với "He must have been tired yesterday."?
He must have been tired yesterday.