1.
+ She can play volleyball
+ He can't eat fish
+ My mother couldn't play football
+ Her brother could sing a English song
+ My family will be able to do many things in this summer holiday
+ She can sing
+ He can't dance
+ My friends will be able to go to the Sapa
+ He couldn't eat much
+ She can't cause the car
2.
-/ēi/: pay, face, race, shade, hey, hate, baby, later, tasty, plane
-/au/: cold, show, rose, photo, volleyball, post, judo, go, old, window