shine(shining) write(writing) come(coming) have(having)
run(running) put(putting) drop(dropping)
Swim(swimming)
send(sending) sing(singing) eat(eating) look(looking)
现在进行时:表示现在正在做某事
结构 :be(am/is/are)+ 动词ing
1.直接+ing:
2.去e +ing:
3.双写+ing:
动词ing
时间:now