A.fought | B.fighting | C.to fight | D.having fought |
A.prevent | B.keep | C.forbid | D.protect |
A.to listen to | B.listening to | C.to be listened to | D.being listened to |
A.Seeing | B.Having seen | C.Seen | D.To see |
A.being discussed | B.discussed | C.discussing | D.to be discussed |
A.there to be | B.of there to be | C.of there being | D.of being |
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