1) my dad's name is pite.
Correction: my dad's name is Pete.

2) his brothers' name is david.
Correction: his brother's name is David.

3) here's the mens room.
Correction: here's the men's room.

4) the womens room is over there.
Correction: the women's room is over there.

5) the boys shirts and blue and ours and white.
Correction: the boys' shirts are blue and ours are white.

6) here's lucy's luch, and here's yours.
Correction: here's Lucy's lunch, and here's yours.

7) my sister's names and ann and jenny.
Correction: my sister's names are Ann and Jenny.