A. tiring; tired
B. tired; tiring
C. tiring; tiring
D. tired; tired
A. you to call
B. you call
C. your calling
D. you’ re calling
A. to work
B. to work out
C. to be worked out
D. to work it out
A. left; to leave
B. leaving; leaving
C. leaving; left
D. left; leaving
A. regretting
B. regret
C. to regret
D. regretted
A. done; to do
B. being done; doing
C. to be done; doing
D. to have done; doing
A. discussed; discussed
B. discussing; had discussed
C. being discussed; discussed
D. discussing; discussing
A. sing; singing
B. sung; sung
C. sung; singing
D. singing; sung
A. Holding; being held
B. Held; holding
C. Having held; held
D. Held; to be held
A. come; permitted
B. coming; permitted
C. coming; being permitted
D. to come; being permitted
A. followed
B. following
C. to be followed
D. being followed
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