Answer:
1)Will Michael lend you his tablet (correct)
2)We aren't going to wear sunglasses today(correct)
3)The students are going to be on a trip next Friday(correct)
4)I'm sure Tamara will fall asleep on the sofa (correct)
5)I think we're going to get lost in this place(correct)
6)Matilda is going to plant trees in her garden (correct)
C. the word Have shows you it is past tense but it does not end in ed so it is no a past participle.
Sentence A is correctly punctuated.
I think I will wear tan pants and a green cotton shirt to school on Wednesday.
The other sentences have commas where they are not needed.