Помогите упр 5 сроооочно в часах вообще не разбираюсь

1.It is half past two2.It is a quarter to eight3.It is five minutes past eight4.It is nineteen minutes past nine5.It is six to six6.It is half past eleven7.It is a quarter to six8.It is twenty minutes to eight9.It is twelve to five10.It is half past four4.