What is the predicate nominative in the sentence: "The winner is Susan."

Which sentence is grammatically correct?

Choose the sentence with correct use of the hyphen:

Identify the sentence with correct use of the conditional perfect tense:

What type of sentence is: "Because she studied hard, she aced the exam."

In the sentence "My sister, a doctor, lives in New York," what is the appositive?

Choose the sentence with correct use of the compound-complex structure:

Identify the adverbial clause in the phrase: "While he was studying, the phone rang."

Identify the sentence with the correct use of the comma:

Choose the sentence with correct use of the coordinating conjunctions: