40.Look ! Jane is singing  (sing ) again. She often is singing (sing ) this song .

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40. ....... is singing.......sings

41,........has.......

42. ........isn'n talking..........are watching....

43..... boils....

44.Do..... like.....

45........... is swimming..........swims....

46.................. is crossing.....

47...... likes riding.............

48................. is playing and singing.......

49............does............live............lives.......

50.............. do you usually do...........

51.................. am trying..............

52............is...................is watching.............

53...................rises..............sets................

54............goes..............