Answer:
Number 1: He doesn't know if he'll be accepted there.
Number 2: He is afraid of the Sorting Hat landing him into Slytherin.
Number 3: He doesn't know basic spells, potion recipes, etc..
Number 4: He's afraid someone might catch him walking through the wall in platform 9-3/4.
Explanation:
A comma is used to show a short pause in a sentence
The answer is "a<span>dverb clause"
have a great day!!!
</span>
An example of a verb in the conditional mood<span> is the French aimerait, meaning "would love"
I would A</span>
