`11.` have arrived
`->` S + already + have/has + V-ed3/pp
`12.` was
`->` used to là đã từng nên đây là thì QKĐ
`13.` has been/ haven't read
`->` S + have/has + been + (O) + for + time
`->` S + hasn't/haven't + V-ed3/pp + yet?
`14.` was washing/has repaired
`->` S + was/were + V-ing. S + just + have/has + V-ed3/pp +(O)
`15.` have been/spent
`->` S + have/has + V-ed3/pp + before?
`->` Yes, S + V-ed2 + (O) + last year
`16.` have never met/ looks
`->` S + have/has + never + V-ed3/pp
`->` S + do/does + (not) + know what + S + V-HTĐ
