Verbs: see / hear somebody do VS doing

Listen to the birds ............ (sing)!

I didn't hear you ............ (come) in.

We listened to the old man .......... his story from beginning to end.

• tell

• telling

Listen! Can you hear a baby ........ ?

• cry

• crying

I looked out of the window and saw Dan ......... his bike along the road.

• ride

• riding

I thought I heard somebody ........... 'Hi', so I looked round.

• say

• saying

We watched two men .......... across the garden and ............ through an open window into the house.

• run .... climb ....

• running .... climbing ....

• run .... climbing ....

Oh! I can feel something ....... up my leg! It must be an insect.

• crawl

• crawling

I heard somebody ........... the door in the middle of the night. It woke me up.

• slam

• slamming

When we got home, we found a cat ........... on the kitchen table.

• sleep

• sleeping