Conjunctions

Question 1

When do you use y, o, pero and sino?

Answer 1

used to link parts of sentences together
Y changes to e when the following word starts with I or hi (but not hie)
O changes to u when the following word begins with o or ho
Pero is used to say but and Sino also means but when the second part of the sentence contradicts the first part with a negative (but rather)

Question 2

What are subordinating conjunctions?

Answer 2

conjunctions that introduce a clause that is dependent on the main clause such as, aunque, cuando, mientras, porque, ya que
Can be used for causes, reasons, results and concessions