Common mistakes

Choose the correct option

We couldn't risk to leave him alone.

We couldn't risk leaving him alone.

He was busy to revise the exams.

He was busy revising for the exams.

She has no difficulty in doing it.

She has no difficulty to do it.

Simon insisted to go to London.

Simon insisted on going to London.

Have you finished speaking?

Have you finished to speak?

to + infinitive or the gerund follow verbs meaning to begin: She began to speak, or She began speaking.

Topic passed!