X.Choose the correct form of the verbs .
1.Please keep silent when I ( study)... . It (be) ... so noisy
2.Sorry!At this moment I (learn ) ... in this class . I (call)... you later
3.We should not (make)... noise in class while the teacher (explain)...the lesson
4.Hello!I ( help)... mother with the cooking now . What you (do)... there ?
5.I never (watch)...TV while you (do) ... your homework .
6.What you (do)...here in the class at recess while all your friends (play)... in the school yard
7.He often (sit)... and ( watch ) ... around while other people (be)... busy with their work
X. Choose the correct form of the verbs:
1.Please keep silent when I ( study)...am studying.... . It (be) ...is... so noisy.
2.Sorry! At this moment I (learn ) ...am learning... in this class . I (call)...will call... you later.
3.We should not (make)...make... noise in class while the teacher (explain)...is explaining...the lesson.
4.Hello!I ( help)...am helping... mother with the cooking now . What are you (do)...doing... there ?
5.I never (watch)...watch...TV while you (do) ...are doing... your homework.
6.What are you (do)...doing...here in the class at recess while all your friends (play)...are playing... in the school yard?
7.He often (sit)...sits... and ( watch ) ...watches... around while other people (be)...are... busy with their work.