Complete with a modal verb (can/may/could):

Sir, (a)   I help you?

Complete with a modal verb (can/may/could):

We (a)   have gone, but we were too late.

Complete with a modal verb (can/may/could):

It (a)   rain today.

Complete with a modal verb (can/may/could):

I (a)   have asked for help, but I was really embarrased.

Complete with a modal verb (can/may/could):

Anna (a)   speak three languages.

Complete with a modal verb (can/may/could):

We (a)   be there by 10PM.

Complete with a modal verb (can/may/could):

The place was very scary, we (a)   hear screams and footsteps.

Complete with a modal verb (can/may/could):

You (a)   play with the computer after you finish your homework.

Complete with a modal verb (can/may/could):

The player (a)   have avoided the contact, but he did not.