怎么区分瞬间动词加ing表将来和动词的ing表示将来某个时候正在做如这道题－Ifyouplantwatermelon...怎么区分瞬间动词加ing表将来和动词的ing表示将来某个时候正在做如这道题－Ifyouplantw

　　怎么区分瞬间动词加ing表将来和动词的ing表示将来某个时候正在做如这道题－Ifyouplantwatermelon...

　　怎么区分瞬间动词加ing表将来和动词的ing表示将来某个时候正在做如这道题－Ifyouplantwatermelonseedsinthespring,you___freshwatermeloninthefall.空里填willbeeating这道题又该怎么理解