1)it is important that we (should) appreciate people's kindness.
2)everyone should show consideration when they talk to elderly people.
3)everyone should be quiet and listen when they are at the lecture.
4)we must respect our parents.
5)we must help each other to solve this problem
6)it is forbidden to smoke in some public places because it may disturb somebody, as they have to breath polluted air.
7)no one is allowed to violate the law to because everybody must obey it.
8)we can't be friends as i can't trust you.
9)it is prohibited to use a mobile phone while driving a car as it may cause an accident.
1.she said the children had been playing since they went out. 2. tim had been making the same spelling mistakes since i started teaching him. 3. we had been corresponding since i moved to this town. 4. how long had she been studing french before she left for paris? 5. the children is so dirty. he has been playing in the wet sand since morning. 6. my eyes are aching. i have been reading the report for the whole afternoon. 7. by the time we finish the tenth form, we have been writing a lot of essays and summaries