Spot the Grammar Mistakes (14)

Which of these sentences are grammatically incorrect? Correct the mistakes.

1. I phoned my aunt as it was her birthday.
2. You had better go – it gets late.
3. Diane gets on very well with her sister.
4. The teacher always gives us lots of homeworks.
5. My sister she lives in Germany.
6. Charlie met his wife during he was working in Argentina.
7. You shouldn’t lie down straight after to eat.
   
   
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   Answers1. ✅
   2. You had better go – it’s getting late.
   3. ✅
   4. The teacher always gives us lots of homework.
   5. My sister lives in Germany.
   6. Charlie met his wife while/when he was working in Argentina.
   7. You shouldn’t  lie down straight after eating.