like: We haven → →
775
We've been to Canada, but we haven't been to Alaska. ☊ 
Chúng tôi từng đến Canada rồi, nhưng chúng tôi chưa từng đến Alaska. ☊ We didn't pay the electric bill.'> 925 We didn't pay the electric bill.'>
We haven't paid the electric bill yet. > We didn't pay the electric bill. We didn't pay the electric bill.'> ☊ Chúng tôi chưa trả tiền điện. > Chúng tôi đã không trả tiền điện. ☊ We haven't really calculated the cost of the vacation yet. ☊ calculate ☊
We've got as far as collecting our data but we haven't analysed it yet. ☊ far ☊
Get on with it! We haven't got all day. ☊ get on with sth ☊
We haven't found a home for all our books yet (= a place where they can be kept). ☊ home ☊
You can't have one each. We haven't got many. ☊ many ☊
We haven't yet been told officially about the closure. ☊ officially ☊
We haven't had a night out for weeks. ☊ out ☊
He left home two weeks ago and we haven't heard from him since. ☊ since ☊
strange (that)...: It's strange (that) we haven't heard from him. ☊ strange ☊