A.to complete | B.to be completed | C.to have completed | D.to have been completed |
A.Compared | B.Comparing | C.To compare | D.Being compared |
A.playing | B.play | C.to play | D.having played |
A.Sat | B.Sit | C.Seating | D.Seated |
A.knowing | B.to be known | C.having known | D.known |
A.see being solved ; worth | B.seeing solved ;worthy |
C.seeing solved ;worthy of | D.see to solve; worth |
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