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1. The last time I went to the theatre was a long time ago. ( The last time+ quá khứ đơn+ thời gian (quá khứ). )
2. Before she left the house, she had fallen asleep on the sofa. ( Before+ quá khứ đơn, quá khứ hoàn thành.)
3. It took her mother 2 hours to make a new dress. ( take sb time to do sth: tốn ai bao nhiêu thời gain để làm gì.)
4. The driver of the car admitted to not having a license. ( admit+ to Ving: thừa nhận làm gì)