Afrikaans often uses the simple present tense where English may use either the simple present or the present continuous.
So:
Afrikaans usually does not need a separate verb like is to form is waiting in this kind of sentence.
Buite means outside.
In Sy wag buite die hof, it tells you where she is waiting. Afrikaans commonly puts this kind of place information after the verb:
So the basic order is:
Yes. Like the English simple present and present continuous distinction, Afrikaans is often less explicit here.
Depending on context, it could mean:
Usually the surrounding context tells you which meaning is intended.
Yes, but not in this sentence.
Afrikaans sy can also mean his in possessive use, which can confuse learners:
But in Sy wag buite die hof, Sy is clearly the subject pronoun meaning she.
So learners should pay attention to position and function in the sentence, not just the word by itself.
A simple yes/no question would usually invert the subject and verb:
That is a very common Afrikaans pattern: