Question

Correction
1.I am not knowing whether my uncle came last night.
2.one of our neighbour is a teacher.
3.each man built its own house.

Answer 1

1. I dont know whether my uncle came last night.
2. one of our neighbours is a teacher.
3. every man bulids his own house.
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Answer 2

1. I don't know whether my uncle came last night.
2. One of our neighbors is a teacher.
3. Every man built his own house.