User of verb 'to have'

1. Would like to know which of the following sentences write.

Mr.Sinha has a severe headache
He has a blue-coloured Maruti car
Mr.Sinha has two daughters and no sons

2. I also wanted to know the following fill in the blanks;

We do not use ________________ when we use the verb 'to have; to express a. __________________, b._________________, c._____________