Task 3. Make up sentences in Present Perfect using for or since. Example: I-not- meet - George - last month. - I haven't met George since last month. 1. We-know-him-six months. 2. Mary - be - a real friend - our childhood. 3. My Dad - work as a builder - three years. пожалуйста побыстрее сор идёт:(​

1. We have known him for six months.

2. Mary has been a real friend since our childhood.

3. My Dad has been working as a builder for three years.