Д322
И ДУМАТЬ ЗАБЫТЬ о ком-чем
collVPsubj:
humanonly забыть conjugatespast form is used in both past and present contexts«и» always precedes думать) to stop thinking about
s.o. or
sth. : X об Y-e и думать забыл = X forgot (about) Y and never thought about him (it
etc) againX put Y out of X's mind completelyX didn't (even) think about Y anymoreY was the last thing on X's mind
Imper об Y-e и думать забудь - don't even think about Y (about doing Y)
(in limited contexts) just forget the whole idea.