verb
ADVERB
▪ bitterly
▪
She ~ed bitterly about the lack of help she received.
▪ loudly
▪ constantly , frequently , repeatedly
▪ openly , publicly
▪ privately
VERB + COMPLAIN
▪ cannot
▪ can hardly
▪
It was entirely my own idea, so I can hardly ~.
▪ have cause to , have reason to , have a right to
▪
He really has no right to ~.
▪ begin to , start to
PREPOSITION
▪ about
▪
All the guests ~ed about the noise.
▪ at
▪
She ~ed at the unfairness of it all.
▪ to
▪
I'm going to ~ to the authorities about this!
▪ of
▪
45 officers ~ed of harassment.
Complain is used with these nouns as the subject: ↑ critic , ↑ employee , ↑ neighbour