Gerund-infinitive gap fill

We need (pay) now. It's not possible to pay later.

I'm trying (help) why don't you listen?

I regret (inform) you that your application for the job has been refused.

Look at the walls. This house really needs (paint).

We arranged (not buy) anything for each other for Christmas.

She stopped (talk) to her friend after she betrayed her.

I regret (buy) this car. I always have a problem with it.

Yesterday we wanted (cut) the grass but it started to rain.

After 3 hours walking we stopped (refresh) ourselves.

Have you ever tried (swim) in the ocean?

I suggest (have) a break now. We're all tired.

Have you ever thought about (move) abroad with your family?

They warned her (not go) home alone at night.

Would you mind (show) me how this machine works?

Please go on (speaking). I don't want to interrupt you.