1) I (buy) bread but I didn't know we needed it. (past possibility) a) could have bought b) should have buy 2) We (invite) so many people to our party! (past negative advice / regret) a) shouldn't have invited b) would have invited 3) We (join) you at the restaurant, but we couldn't get a babysitter. (past willingness) a) would have joined b) shouldn't have join 4) They (win) the football match, but John hurt his ankle. (past possibility) a) could have won b) would have won 5) Amanda (finish) the work, but she felt ill and had to go home. (past willingness) a) would have finished b) should have finished 6) I (eat) so much chocolate! I feel sick! (past negative advice / regret) a) shouldn't have eaten b) shouldn't have ate 7) Luke (pass) the exam if he'd studied a bit more. (past possibility) a) could have passed b) should have passed 8) John (call) Amy, but he didn't have her number. (past willingness) a) would have called b) could have called 9) You (be) rude to him. He's going to be really angry now. (past negative advice / regret) a) shouldn't have been b) should have been 10) I'm really cold! I (bring) my coat. (past advice / regret) a) should have brought b) could have taken

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