TAnh 4

1

• will close

• will be closed              

• was closed

• closed

2

• return

• come

• go

• arrive

3

• Were

• Had

• Should

• Do

1

• the

• no article

• a

• an

2

• in

• on

• with

• of

3

• communication    

• communications

• communicating            

• communicative

1

• valid

• invalid

• available

• official

2

• Even

• If

• Unless

• When

3

• being removed

• be removed

• have been removed

• removing

1

• for

• on

• with

• in