Subjects and Predicates

Subject

What part of the sentence tells the action of the sentence? Options: noun, subject, linking verb, predicate

In the sentence:
My funny sister eats chocolate cake.
What's the subject?

In the sentence:
My great grandmother sewed a beautiful blanket for me.
What's the subject?

Is the subject in red and the predicate in blue?
My mom drove us to Chuck E. Cheese's.

The subject is who or what the sentence is about.

Is the blue part of the sentence the subject or predicate?
Mrs. Watson had lunch duty today. 

Is the predicate in blue?
The tree branch is a comfortable place for this monkey family.

What is the predicate in the sentence?
Steve can build roller coasters in Minecraft.

What is the predicate in the sentence?
Taz dug a hole in the yard. 
Options: Taz, dug a hole in the yard, hole, in the yard