2. the homework was really difficult, so my mum offered (helping / to help me) 3. My friend Tom's really kind. He enjoys (to help / helping ) other people with

2. the homework was really difficult, so my mum offered (helping / to help me)
3. My friend Tom's really kind. He enjoys (to help / helping ) other people with their problems
4. I can't stand (washing / to wash) my hair !
5. We missed the train, so we decided (to wait / waiting) for the next one
6. Mum's car is really dirty, so we've promised (washing / to wash) it for her tomorrow
7. I'm not in a hurry, so I don't mind to (wait / waiting ) for another fifteen minutes.
8. My holiday in the USA was great. I learned (to play / playing ) American football!