It’s incorrect because the verb should be in the to form, not the he she form. I hope this helps!
<u>Answer</u>:
1. Sabes
<em>How do you know we will have a little test today?
</em>2. Quiero
<em>I want to go out with my friend this weekend to watch a movie
</em>3. Querían
<em>You guys didn't want to leave from home because it was raining
</em>4. Pudimos
<em>We couldn't get to class early because it had an accident on the freeway
</em>5. Conocieron
<em>My friends met my family at my birthday party</em>
<u>Explanation</u><em>:
</em>I think that everything is correct
1. están
2. es
3. está
4. es
5. estoy
6. es