Here is an interesting description of basic English sentence patterns:
Sentence pattern #1 --Subject + be verb + adverbial
To be pattern #1
An adverbial describes when, where, why, or how.
-New York is on the East coast.
-The performance will be next month.
-He is in the hospital for his health.
Sentence pattern #2 – Subject + be verb + subject complement.
To be pattern #2
A subject complement is the noun phrase or adjective
that follows the to be verb. It describes the subject.
-You will be late.
-My wife was an Olympic swimmer.
-My favorite sport is swimming.
Sentence pattern #3 -- Subject + linking verb + subject complement.
Linking verb pattern
A linking verb links the subject to a noun phrase or adjective.
-Making a meal for thirty ( is/seems) time consuming.
-The weather seems warm.
-The woman looked beautiful.
Sentence pattern #4 -- Subject + intransitive verb.
Intransitive verb pattern
An intransitive verb requires no complement.
-The dog died.
-The audience laughed.
-She coughed.