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)+ V-ing

1.直接+ing:

2.去e +ing:

3.双写+ing:

时间：now