you keep
is repeating
Will be
not to feed
left
kept 过去分词形式
is repeating 正在重复，进行时
is , going to be 将来时
to feed 不定式
left忘在某地了
to keep
wil repeat
Will be
not to feed
have left
不保证全对
11:to keep,12:is repeating,13:Is going to be,14: not to feed,15: left
小学的？
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