What's the sentence structure of the following sentences: (between simple, compound, complex, compound/complex) ps. if there is any punctuation required write it.

1) though i had not known why he was absent, i had been glad that he was not there to shout his restrictions at me.

2) they came toward me and i broke into a wild run toward home.

3) granny's home in jackson was an enchanting place to explore.

4) i realized that they could not understand what i was felling and i kept quite.

5) i had begun to notice that my mother became irritated when i questioned her about whites and blacks, and i could not quite understand it.

also i would really appreciate it if you could briefly explain why they're that structure.