czy każdy modal może zostać użyty z past participle w odniesieniu do przyszlosci?
I could have met him by next Monday. - Być może spotkam godo poniedzialku
He need have done it by next Saturday. - Powinien zrobic to do soboty
He must have learnt it by next Sunday. - On na pewno sie tego nauczy do niedzieli
czy przypuszczenie o przyszłości z uzyciem must może wyglądać tak:
He must find it out tomorrow.
He must have learnt about it by the next year.
czy musi byc He must BE finding ...
He must have BEEN learning about it by the next year.