2. John was sick, he didn't come to school.John was sick, therefore he didn't come to school.John was sick, because he didn't come to school.John was sick, and so he didn't come to school.
3. The people should be given choice of choosing a representative.The people should be given choice of a representative.The people should be given choice to choose a representative.The people should be given choice choosing a representative.
4. Although it has been years since my grandmother passed away, but my mother still feels guilty about having a career.when my grandmother passed away, but my mother still feels guilty about having a career.after my grandmother passed away, but my mother still feels guilty about having a career.since my grandmother passed away, my mother still feels guilty about having a career.
5. I spent many time on doing my homeworks.I spent many time on doing my homework.I spent much time on doing my homeworks.I spent much time on doing my homework.
6. In the past, people have travelled by horse carriages.In the past, people had travelled by horse carriages.In the past, people travelled by horse carriages.In the past, people were travelling by horse carriages.
7. While you walking on the street, you can see many tall buildings.While walking on the street, you can see many tall buildings.While you walking on the street, many tall buildings can be seen.While walking on the street, many tall buildings can be seen.
8. It just like a competition to see who gets the highest marks.It just likes a competition to see who gets the highest marks.It is just like a competition to see who gets the highest marks.It just likes a competition to see who get the highest marks.
9. Most of local people are suffered from mental pressure.Most of local people suffer from mental pressure.Most local people suffer from mental pressure.Most of local people are suffering from mental pressure.
10. Those suffer from stress should try to talk to their parents.Those suffer from stress should talk to their parents.Those suffered from stress should try to talk to their parents.Those who suffer from stress should try to talk to their parents.
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