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lost has lost had lost loses
matters estimates explains suspects
maybe must be might be is
was; would has; will has been; will had been; would
have, their has, his have, his has, their
Tom has lost his bike four days ago Tom has lost his bike for four days Tom lost his bike for four days It’s four days since Tom lost his bike
is; would have to has; will have to has been; will have got to had been; would have to
had repaired has been repaired has repaired was repaired
have there are has there is
have, their has, his have, his has, their
has had repaired his bike will repair his bike has had his bike repaired has his bike repaired
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friendly faithful hostile kind
is; would have to has; will have to has been; will have got to had been; would have to
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