Check my latin ! [20 pts, no stupid answers for points]

1: my mom is my teacher - mater mea est meus magistra
2: i am sitting at my desk - sum et sedens in mea desk
3: mr. smith is also my teacher - mr. smith est etiam mi magister

you!

Put the whole thing 

Translation: we have as many pens as they.if this question is asking whether the grammar is correct, or incorrect, then the answer should be: incorrect.  a sentence with better grammar would be: we have as many pens as them.or in spanish: tenemos tantos corrales como ellos.hope this ! : )