1. That man planted these trees long time ago. (passive voice)
-- These trees were planted long time ago by that man.
2. Minh drives more carelessly than Nam. (as...as)
-- Minh doesn't drive as carefully as Nam.
3. How long has it rained ?
-- When did it start raining?
4. Minh speaks English well and Nam speaks English well. (so/too)
-- Minh speaks English well, Nam speaks English well, too.
5. Nga no longer gets up late. (used to)
-- Nga used to get up late.