who was / were you talking to on the phone

English as a Second Language English Vocabulary, Grammar and Idioms
1

Dear teachers,

I am not sure which is correct in grammar:

Who was you talkng to on the phone?

Who were you talkng to on the phone?

Who was you talkng to on phone?

Who were you talkng to on phone?

Please help

Thanks,

Kitty

2

Only this one is correct: Who were you talking to on the phone?

3

Thank you for the help, Mister Micawber.