`1`. I'm afraid I wouldn't be able to come back home this week because I was too busy.(Be afraid to + V (nguyên)
`2`. Excuse me, what does this word explain / mean ?( Từ này có nghĩa là gì)
`3`. You really need/have to your passport in a safe place. ( S+ have/has/need(s) + to +V...)
`4`. Laurs hasn't gone back to Italy since 1992 ( S+ have/has + Vpp + O + since + mốc thời gian/ for+Khoảng t/g)
`5`, Would you mind if I borrowed your guidebook?( Would you mind + if + S+V-ed +...)