A want is something that someone had the desire for, but doesn't necessarily need. A need however is something that the person may not have a desire for, but is very important.
Riding a skateboard is a phrase
A phrase can not have verb and subject together. riding a skateboard doesn't have subject. the others are clause.they have both subject and verb.
good luck.
Answer:
Tips for effective writing
Start writing early —the earlier the better. ...
Keep the essay question in mind. ...
Don't try to write an essay from beginning to end, especially not in a single sitting. ...
Write the introduction and conclusion after the body. ...
Use 'signpost' words in your writing. ...
Integrate your evidence carefully.
Explanation:
i hope this helps :)