A predicate is the part of a sentence that contains a verb wich tells something about the subject.
Now, in simple present or present progressive the formula is: subject + verb+ complement; the verb is the predicate. Taking the first three example, the subject is circled and the verb verbs comes after.
Answers are underlined:
The West Indian Manatee <u>is large a sea mammal.</u>
Manatte <u>rest just below the water's surface.</u>
Sea grass <u>is one of their favorite things</u> to eat.
In the last one it can't be eat the predicate because the predicate refers always to the subject, and 'sea grass doesn't eat'. "To eat is a complement"
The steam from the heaping mound of crisp, golden French fries warmed my face.
The impact of Keats's repetition of the word what is that he wants to express the thoughts of the people on the urn. In this way, it will be easier to understand what the people are trying to mean with the urn.