Answer:
Main clauses are ... well, main!
The subordinate ones are:
1. The Direct Object Clause
2. The Indirect Object Cl
3. The Subject Cl
4. The Predicative Clause
5. the Relative Clauses
6. The Adverbial Clause of Time
7. The Adverbial Clause of Place
8. The Adverbial Clause of Manner (plus The Adverbial Clause of Comparison)
9. The Adv Clause of Reason
10. The Adv Cl of Condition (or The If Clause)
11. The Adv Cl of Purpose
12. The Adv Cl of Result
13. The Adv Cl of Concession
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The types of clauses and their classification differ from grammar school to grammar school (and they change with ages), so they may have a different name in your country, NOW.