Explain what the difference in meaning is in the sentences below. Check in the Grammar Reference section. 1 a Fiona forgot to lock the door.

Explain what the difference in meaning is in the sentences below. Check in the Grammar Reference section.
1   
a Fiona forgot to lock the door.
b Fiona will never forget seeing the massive wave of water.
2   
a Remember to pay the water bill tomorrow!
b I don't remember meeting you before.
3   
a He stopped to buy some bread from the baker's.
b He stopped working on this project a month ago.
4   
a She tried to help the mountain gorillas.
b She tried wearing contact lenses, but after a while she decided to go back to glasses.