1.   Beto has very definite ideas on this.

2.   Both Sally and John had definite ideas about how the new kitchen should look.

3.   But he was very definite ideas about what he is doing.

4.   He had very definite ideas about what a son of his should be like.

5.   I have a definite idea of what I am trying to do and I want to stay with it.

6.   She has definite ideas on how she thinks things should be organised, and sometimes she is right.

7.   Then you have time to fix on a definite idea of how you want the final mix to sound.

8.   They have definite ideas of what they want to see on the page.

9.   Roy does not have definite ideas on the future.