I recommend English Grammar in Use 4th edition by Raymond Murphy. A paper copy is reasonably priced and there is a PDF floating around the net. 1 - I like winter (most common) or I like the winter (season). Unit 74. children (concept) / the children (specific children) 2 - fun/funny have different meanings. fun = enjoyable. funny = comical. 3 - We also enjoy going camping. Unit 53. Enjoy takes a gerund (camping). Enjoy to camp is incorrect. 4 - Do you like camping? Unit 58. Like takes a gerund (camping) or an infinitive (to camp). More common is "Do you like to go camping?" or "Do you like going camping?" Unit 53E. "to go camping/swimming/sailing" 5 - I almost always watch TV. Unit 110. Adverbs of frequency. 6 - My hair is black. My hair is jet black (like a crow or a raven or a stone called jet).

1. I like winter/ I like the winter ( both correct depending on the context) 2. The classes are fun - corect 3. We also enjoy to go camping. 4. Do you like camping? 5. I watch tv almost always. correct (I watch TV most of my time) 6. My hair is way too dark/ My hair has deep black colour. (mi pelo es muy negro)

I like winter.

We enjoy going camping as well.

I think, It's corect. 1 I like winter. 2 The classes are fun 3 We also enjoy go camping. 4 Do you like camping 5 Always I watch TV. 6 My hair is dark black.