1)my family/have/custom/eat/dinner/7pm/everyday
=> my family have custom to eat dinner at 7pm eveyday
2)you/not/have/tip/this county=> you don't have to tip in this country
3)we/would like/know/something/the cultural groups/viet nam
=>we would like to know something about the cultural groups in vietnam
4)tet/be/most important/festival/viet nam=> tet is the most important festival in vietnam
5)while/the boy/be/walking/song the street/he/meet/accident
=> while the boy was walking the street, he met an accident
6)if/I/be/you/I/buy/that house=> if i were you, i would buy that house
7)the last/time/he/speak/kiss farther/be/two minh ago
=> the last time he spoke to his father was 2 months ago