IV Hr - I BSc Phy/Chem:
Introduced Subordinate clauses and Relative clauses:
When the dog barked, the baby woke up.
Because the dog barked, the baby woke up.
If the dog barks, the baby will wake up.
Whenever the dog barked, the baby woke up.
A few subordinate clauses:
after, although, as, as far as, as soon as, as if, as though, because, before, even if, even though, if, in case, since, so that, than, that, though, till, when, whenever, where, wherever, whether, while
Examples of Relative Clauses:
who, whom, which, what.