1, We have lived here for 2 years.
2, They lived in Washington in 1960.
3, Lan left Hanoi last month and has worked in Ho Chi Minh city since them.
4, Mr. Nam has taught English since 2000.
5, We bought this car 2 years ago.
6, How long have you learnt English?
7, I haven't seen him since we said goodbye.
8, Yesterday I visited my parents.
9, I have learnt English for 10 years.
10, Lan and Nga have been close friends since last year.