Roberto said it was difficult (see) the board, so he moved his desk.
to see
On my way home, I stopped (do groceries) at the supermarket.
to do groceries
Sarah said she was happy (help) me with my assessment.
to help
Anna thanked us for (give) her a ride to school.
giving
I'm looking forward to (go) to the beach on Sunday.
to going
It is always important (wash) your hands after going to the toilet.
to wash
I always remember (turn off) the lights before leaving my house.
to turn off
(swim) is a great sport, but it isn't easy (learn) it.
Swimming / to learn
First, Juan tried (play) golf, and then he tried (play) basketball, but he just wasn't good at sports.
playing/playing
I tried (talk) to him, but he didn't answer his phone.
to talk
I saw a man on the street (read) the newspaper. He asked me for money, because he wanted (eat) something.
reading/ to eat