Answer:
1) tells who or what the sentence is about.
2) tells what the subject is or does.
3) is crazy
4) is the best day of the week
5) the turtle
6) studied whales
7) drank milk
8) attended
9) Susan and Kay
10) went to the movies
11) went
12) simple subject
Explanation:
a subject is what the sentence is about, a simple subject is the same thing but more specific, a predicate is what the subject is doing
