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.
baby carriage -prambulator