A.go | B.wait | C.stop |
A.waiting | B.to wait | C.wait |
A.swim | B.swims | C.swimming |
A.went boating | B.go swimming | C.going shopping |
A.spring; pick apples | B.summer; go swimming | C.winter; fly kites |
A.ice-skate | B.to ice-skate | C.ice-skated |
A.is | B.are | C.have |
A.Never | B.Always | C.Very often |