Gerund vs infinitive

They promised _________ friends forever

• be

• to be

• being

• to being

Hachiko doesn't mind ___________

• wait

• to wait

• waiting

• to waiting

She is very bad at __________

• cook

• to cook

• cooking

• to cooking

The pug really wants _________ that pizza

• eat

• to eat

• eating

• to eating

The penguin believes it can ________

• fly

• to fly

• flying

• to flying

Cats love _________ in the boxes

• sleep

• to sleep

• sleeping

• to sleeping

We need ________ some food

• buy

• to buy

• buying

• to buying

She left without ________ a single word

• say

• to say

• saying

• to saying

He decided _________ his cat

• train

• to train

• training

• to training

She is not afraid of __________ with a shark

• swim

• to swim

• swimming

• to swimming