Past simple verbs song

Click here and watch the video. Here you have the lyrics.

This is the tale of Mr. Morton Mr. Morton is who?
He is the subject of our tale and the predicate tells what Mr. Morton must do
Mr. Morton walked down the street. Mr. Morton walked
Mr. Morton talked to his cat. Mr. Morton talked (Hello, cat, you look good)
Mr. Morton was lonely. Mr. Morton was
Mr. Morton is the subject of the sentence and what the predicate says, he does
Mr. Morton knew just one girl. Mr. Morton knew
Mr. Morton grew flowers for Pearl. Mr. Morton grew
Mr. Morton was very shy. Mr. Morton was Mr. Morton is the subject of the sentence and what the predicate says, he does
The subject is a noun. That's a person, place or thing. It's who or what the sentence is about and the predicate is the verb. That is the action word that gets the subject up and out
Mr. Morton wrote Pearl a poem. Mr. Morton wrote
Pearl replied in the afternoon. Pearl replied by a note.
Mr. Morton was very nervous. Mr. Morton was Mr. Morton is the subject of the sentence and what the predicate says, he does
The cat stretched. The sun beat down. A neighbour chased his kid (Come here kid ~ come on..) Each sentence is completed when you knew what the subject did
Mr. Morton knocked on her door. Mr. Morton knocked
Mr. Morton sat on her porch. Yes, he just sat there and rocked
Mr. Morton was a nervous man. when she opened up the door he ran
Mr. Morton climbed up his stairs. Mr. Morton climbed
Mr. Morton rhymed pretty words. Mr. Morton rhymed
Mr. Morton was lonely. Mr. Morton was
Until Pearl showed up with a single rose. Who say women can't propose?
Now Mr. Morton is happy. And Pearl and the cat are too. They're the subject of the sentence. And what the predicate says, they do