Đề:I'm going to the youth club on Saturday, after I'm going to football match on Sunday.

Sửa : I was going to the youth club on Saturday, after I was going to football match on Sunday.

Vì:Có dấu hiệu nhận biết là on Saturday và on Sunday nên ta biết đây là thì quá khứ đơn.Nhưng vì I'm là của thì hiện tại tiếp diễn nên ta đổi thanh i was.

Đề:

I went to the gym last month, but I didn't like it. It was full with noisy teenagers. Swimming is Sara's favourite activities, and she always goes to the beach during the holidays.

Sửa:I went to the gym last month, but I didn't like it. It was full with noisy teenagers. Swimming is my favourite activites, and I always goes to the beach during the holidays.

Vì: Ơr trên đang là I thì xuống dưới phải là ngôi I .

NMQ-CUBER

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