A linking verb links the subject of the sentence to an adjective or a noun. We use the words will be as a future tense linking verb.
I will be late.
Mary will be sad.
Mom will be tired.
In each of these sentences, the linking verb will be shows future action and links the subject to an adjective. The words late, sad, and tired are all adjectives.
We can also use future tense with linking verbs that connect the subject to a noun.
I will be a teacher when I grow up.
My dad will be a member of the council next year.
John will be class president.
The linking verbs will be show future tense and connect the subject of each sentence to the predicate nouns teacher, member, and president.
Use the helping verbs will be when writing future tense with a linking verb.
▶Now you try it. Rewrite this sentence with future tense. I am a doctor. I ______ ______ a doctor next year. Did you figure it out? Good for you!