Como dizer polical em inglês? cops, officer ... etc. o que mais posso usar?

Which sentence is correct? "Our classes usually are over at six p.m." or "Our classes are usually over at six p.m."

What is the difference of Gift and Present? Exemple; "Her daughter always receive wonderful gifts at Christmas" or "Her daughter always receive wonderful presents at Christmas"

What the difference of the pronunciation of They're, Their ans There? And saw in a video that, and i have some doubts, on video said is the same pronunciation of this 3 words is the same thing. Is that correct?

Oie/Hi! What's up??/ I'm learning english because i think is very important for work, travels and many many things in life, I like to say sorry for my bad English, i don't study a lot, i'm a little lazy but some times i feel the need to learn more so i hope here i learn a like more and practice my english 'cause is awful. And if you can help me with that will help a lot, Grammar tips, pronunciation etc... will help. Correct me that my text also probably I wrote some things wrong. Thnks!!!!