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I always used to eat my boss's cast-offs eatables.

After she had known the truth that I am poorer than she, she has given me the brush-off.

I am getting a bit barassed off with his replies.

Are these sentences correct?

Please help me.
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I always used to eat my boss's cast-offs eatables. No, we don't cast-off food (or call food eatables) You would just say 'I always used to eat my boss's leftovers.'

After she had known the truth that I am poorer than she, she has given me the brush-off. OK in the use of brush off, odd tenses.

I am getting a bit barassed off with his replies. Do you mean brassed off? Ok if so.
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Thank you Nona The Brit
Nona The BritAfter she had known the truth that I am poorer than she, she has given me the brush-off. OK in the use of brush off, odd tenses.
You said odd tenses. So I am here writing again after a few tweak.

After she had known the turth that I was poorer than she, she gave me the brush-off.

Now do you think these tenses are odd?