Informal letter - mistakes

1. ... because long time ago that we haven't in touch. (VOCAB)
2. I hope for your answer. (VOCAB)
3. I want to know notices about you. (VOCAB)
4. I was too in Segovia. (WORD ORDER)
5. I made a lot of friends, all of they very good person and funny. (WORD ORDER) (MORPH)
6. I have many homework and exams. (VOCAB)
7. What were you doing last weekend? (VERB TENSE)
8. How's going everything? (WORD ORDER)
9. I have had a family dinner last Saturday. (VERB TENSE)
10. I'm missing you since you left from here. (VERB TENSE)
11. I wish I have a little more free time next week. (VERB TENSE)
12. I hope you're well and receive soon a letter from you. (SYNTAX)