1.I think I was/were four. 2.my mother and my sister was/were

1.I think I was/were four. 2.my mother and my sister was/were with 1.I think I was/were four. 2.my mother and my sister was/were with me. 3.we was/were a happy time because.. 4 . ...people was/were friendly there. и еще надобно написать вопросы к этим предложениям: 1) how old..? 2)who..? 3)where..?