To: zu, nach, auf, an, in
At: bei, um, an
When do I use each one? What is an example of how to use them properly?
Even the cases are throwing me for a loop sometimes. Sometimes he says its dative and accusative and nominative and I feel like we're never really changing the terms of the sentence!
I also have question about the perfect tense, I realize you use an auxiliary verb and the past participle. But I'm a little lost on how to construct a sentence like this:
Was hast du gestern gemacht?
I went dancing with Martin.
Ich bin mit Martin tanzen gegangen.