A. study
B. studies
C. studied
D. studying
A. scolds
B. scolded
C. scolding
D. scold
A. put
B. puts
C. putting
D. putted
A. is
B. was
C. has
D. were
A. have
B. has
C. had
D. was
A. does
B. do
C. did
D. done
A. go
B. went
C. going
D. goes
A. have
B. had
C. was
D. did
A. sit
B. sits
C. sat
D. sitting
A. do
B. does
C. is doing
D. doing