Past Simple vs Past Continuous

Which verb tense after WHEN?

Which verb tense after WHILE?

What ...........when I saw you? I was waiting for the bus.

• did you do

• doing

• were you doing

• was you doing

What .... you doing?

• were

• was

• did

I was having lunch when my mum .......

• was arriving

• arrived

• were arriving

• arrive

What were you doing yesterday at 6 pm?

• I were playing video games

• I play video games

• I was playing video games

• I playing video games

He called me while I............. (do) my homework.

My sister .................... when I.......................back home

• slept/ came

• slept/ was coming

• was sleeping/ came

• was sleeping/was coming

Where were you going when I met you yesterday?

• I went shopping

• I was go shopping

• I going shopping

• I was going shopping

What .................. yesterday?

• did you ate

• ate

• ated

• did you eat