英语问题（写出以下单词的ing形式）

winning
planning
beginning
waiting (注意这个不是双T,因为ai发<ei>只有前面的元音字母发元音的时候才双写)
cutting
forgetting

winning
planning
beginning
waitting
cutting
forgetting

winning
planning
beginning
waitting
cutting
forgetting
全部双写+ing

ffff

win变为winning
plan变为planning
begin变为beginning
wait变为waitting
cut变为cutting
forget变为forgetting

winning
planing
begining
waiting
cutting
forgetting
wait.......是不可以双写的