​Complete the sentences with the correct form of the verbs in brackets.
​1.Samantha........................(do)her homework in the evening.
2.There......................(be)a kitchen,a living room and a bathroom downstairs.
3.My brothers.......................(not/walk)to school.They go to school by bus.
4.Jim and Sylvia......................(not/be)the same age.He's sixteen and she fifteen.