Make up sentences 1) (sam) (not) (sitting) (the sofa) (is) (on) 2) (are) (playing) (the cats) (not) 3) (mother) (not) (my) (cooking) (is) 4) (reading) (her) (are) (friends) (not)

Sam isn't sitting on the sofa
The cats aren't playing
My mother isn't cooking
Her friends aren't reading