Subordinated clauses

Identify the type of subordinated clause (nominal, relative or adverbial) in the following sentences and mark the subordinator:

1 I wonder if you can come to my party on Saturday.

2 I like the idea that Peter is going to take up Law when he finishes secondary school.

3 I don’t understand the proposal that the board of directors presented the other day.

4 She can’t stand Joe’s behaviour, which she finds quite inappropriate.

5 They really don’t know where they could set up their business.

6 You must find a place where you can settle down and raise a family.