Infinitive with / without to

I can.........English

• speak

• to speak

We have ....... do our homework.

• do

• to do

They encouraged him ………………………….. again.

• trying

• to try

The doctor suggested …………………………. a break.

• to take

• taking

Don’t forget ……………………….. the door.

• locking

• to lock

• lock

You don’t need ……………………………. for that call.

• pay

• to pay

• paying

She need not ………………………….. again.

• apply

• to apply

• applying

I saw her ………………………… the door.

• to open

• opening

Mrs. Campbell agreed

...............

a presentation at the conference.

• giving

• give

• to give

Let me

............

you with these heavy bags.

• helping

• help

• to help