A) Waiting / to stand
B) To wait / standing
C) Wait / in standing
D) To be waiting / stand
A) Tapping / concentrating
B) To tap / to concentrating
C) Having tapped / concentrated
D) Tapping / to concentrate
A) Having been doing
B) Having done
C) Doing
D) To do
A) Complaining
B) To complain
C) Having complained
D) Complain
A) To take
B) Taking
C) To taking
D) Take
A) Not looking
B) Looking
C) Not to look
D) Not looking
A) To get
B) Getting
C) Not to get
D) Not getting
A) Reconfirming
B) Reconfirm
C) To reconfirm
D) Have reconfirmed
A) Eat
B) Not to eat
C) Having
D) To eat
A) Change
B) Changing
C) Have changed
D) To change
A) Spend
B) Spending
C) Will spend
D) To spend
A) To have
B) Not to have
C) Having
D) Not having
A) Being
B) To be
C) Not to be
D) Not being
A) Working / to prepare
B) To work / to prepare
C) Working / preparing
D) To work / preparing
A) To destabilize / to want
B) To destabilize/ wanting
C) For destabilizing / wanting
D) For destabilizing / to want
A) Suffering / getting
B) Suffering / to get
C) In suffering / to get
D) In suffering / getting
A) Bringing
B) To bring
C) Bring
D) Have brought
A) To come
B) To have come
C) Coming
D) Have come
A) Dropping
B) To drop
C) Drop
D) To have dropped
A) To tell
B) Telling
C) Tell
D) Have been telling
A) Packing
B) To be packing
C) To pack
D) To have packed
A) Being
B) To be
C) To have been
D) Be
A) To open
B) Opening
C) Open
D) Have opened
A) To tell
B) Telling
C) Not to tell
D) Not telling
A)
B) To think
C) Not to think
D) Not thinking
A) Going
B) To go
C) To have gone
D) Having gone
A) To ask
B) Not to ask
C) Asking
D) Not asking
A) Tapping
B) To tap
C) Tapped
D) Tap
A) Trying
B) Tries
C) Tried
D) To try
A) Crawling
B) Crawl
C) To crawl
D) Crawls
