The verb “to be” is the most important and widely used verb in the English language. It is used to describe a state of being, identity, or existence instead of a physical action.
CONJUGATIONS
When using “to be”, the verb changes form based on the subject and the tense of the sentence.
| Tense / Form | Singular | Plural |
| Present | I am He, She, It is | We, You, They are |
| Past | I, He, She, It was | We, You, They were |
| Base Form | be (used with modals like will, can, should) | |
| Participles | being (present participle) been (past participle) |
USAGE
Linking Verb
“To be” can be used to describe (adjective) or identify (noun) the Subject.
| Identity | He is a banker. |
| Feeling | They are angry. |
| Location | The train station is on your left. |
| Age | I am 23 years old. |
Helping Verb
“To be” is used to make tenses or voices more complex.
| Continuous Tenses | We are playing basketball. (Talks about an ongoing action) |
| Passive Voice | The building was constructed by this company. (Focuses on the object) |
SENTENCE STRUCTURES
Negative
Add “not” immediately after the “to be”.
Examples:
I am not sad.
They are not here.
Question
Put “to be” before the subject.
Examples:
You are ready. → Are you ready?
She is a teacher. → Is she a teacher?
Contraction
In informal speech, “to be” is often contracted.
Examples:
I am honest. → I’m honest.
She is American. → She’s American.
Typical Errors
- Remember to use are with “to be” for the third person plural form.
The results are not what she expected.
Not: The results is not what she expected.
2. We use there is + singular noun and there are + plural noun.
There are so many nice dresses in this shop.
Not: There is so many nice dresses in this shop.
3. We use auxiliary “do”, not auxiliary “to be”, for questions with main verbs in the present simple.
Do you eat seafood?
Not: Are you eat seafood?