-V+ing or to+V

I am looking forward to ... on holiday.

• go

• going

• having gone

I couldn’t help ....

• to laugh

• laugh

• laughing

She will be delighted ... you.

• to see

• seeing

• see

• to seeing

She is rich enough ... this house. (buy)

We can't afford ... a long holiday.

• to take

• taking

• take

Don't be surprised, she is good at ... faces.

• remember

• being remembered

• remembering

You see your aim but have difficulty ... there

• getting

• to get

• in getting

• get

I'm going to have fun pretending ______ your husband. (be)

I suggested ... .

• to wait

• wait

• waiting

I've tried ... Japanese but it's very difficult.

• learning

• to learn

• learn