A rough English-friendly guide is:
A simple learner-friendly approximation is:
dee LAY-er help ons
Pronunciation varies a bit by speaker and accent, but that will get you close.
In standard Afrikaans, you usually make a sentence negative with nie ... nie.
So:
Afrikaans is famous for this double-negative pattern, although the first nie is sometimes omitted depending on the sentence type. For a simple sentence like this, the negative form you should learn is:
Die leier help ons nie.
In a yes/no question, Afrikaans usually puts the verb first.
So:
This is a very common pattern in Afrikaans questions.
You would use 'n for a/an:
So the difference is:
Remember that 'n is written with an apostrophe and is not normally capitalized, even at the beginning of a sentence.