Philip might have failed that exam, but I don't know that for sure.
Andy and Greta should have become friends in 2019, but they didn't.
Graham can't have sung it; he's not a good singer.
They must have been on vacation; they're relaxed and tanned.
We shouldn't have been rude to the teacher; she's so angry now!
Philip might have failed that exam, but I don't know that for sure.
Andy and Greta should have become friends in 2019, but they didn't.
Graham can't have sung it; he's not a good singer.
They must have been on vacation; they're relaxed and tanned.
We shouldn't have been rude to the teacher; she's so angry now!