Gerunds and infinitives Part 4

___ it easier to get in touch with us, you'd better keep this card at hand.

• Made

• Make

• Making

• To make

— Henry doesn’t seem to be what he was.

— No. ___ so much in the war has made him more thoughtful.

• Seen

• His seeing

• Having seen

• To have seen

Researchers claim ___ the first proof that getting a regular eight-hour sleep every night makes a real difference to our health.

• finding

• having found

• to find

• to have found

There were so many people in the hospital that I was made ___ four hours before I was examined by a doctor.

• wait

• waited

• to be waited

• to wait

— Is Jack in the supermarket?

— Maybe. I saw him ___ it with a shopping cart just now.

• enter

• entered

• enters

• to enter

To learn English well, we should find chances to hear English ___ as much as we can.

• speak

• speaking

• spoken

• to speak

The Russian scientists ___ the vaccine against COVID-19.

• are said to be developed

• are said to have developed

• had said to develop

• have said to have been developed

Listen! Can you hear the opera ___ somewhere near here?

• singing

• being sung

• sung

• to be sung

I can make you ___ what I say, but you can't make yourself ___ in English.

• understand; understood

• understand; understand

• to understand; understand

• understand; to be understood

- Did you hear someone ___ at the door?

- Yes, it must be John. It's time for him to get here.

• knocks

• knocking

• knocked

• to knock