Ex 1:
1/ People invented the wheel thousands of years ago.
=> The wheel was invented thousand of years ago.
2/ Are they building a statue of Chu Van An?
=> Is a statue of Chu Van An going to be built?
3/ They will not provide pencils at the test, so please bring your own.
=> Pencils won't be provided at the test, so please bring your own.
4/ Alan's knowledge about Science and Technology doesn't impress me.
=> I'm not inpressed by Alan's knowledge about Science and Technology.
Ex 2.
1/ Traffic jam/ one/ most common/ issue/ big city/ world.
=> Traffic jam is one of the most common issue in big cities of the world.
2/ There/ many/ people/ use/ road/ and/ one/ main reason/ cause/ traffic jam.
=> There are many people using road and it is one of the main reason cause traffic jam.
3/ We/ solve/ traffic problem/ by/ encourage/ people/ use/ bicycle/ rather/ car/ short trip.
=> We can solve this traffic problem by encourage people using bicycle rather than car for short trip.
4/ People/ use/ public transports/ reduce/ number/ private vehicles/ road.
=> People should use public transports to reduce the number of private vehicles in the road.
5/ Move/ big/ company/ factory/ city/ countryside/ help reduce/ traffic jam.
=> Moving big companies and factories from the city to the countryside helps reduce traffic jam.