In the first example, has is used with the third person 'it' while have is used with the second person 'we'.
Comparison Chart.
| Basis for Comparison | Has | Have |
|---|
| Examples | Akira has submitted the college project today. | I have to submit the project by tomorrow, any how. |
While the verb to have has many different meanings, its primary meaning is “to possess, own, hold for use, or contain.†Have and has indicate possession in the present tense (describing events that are currently happening). Have is used with the pronouns I, you, we, and they, while has is used with he, she, and it.
The verb have has the forms: have, has, having, had. The base form of the verb is have. The present participle is having. The past tense and past participle form is had.
The easiest way to remember the correct use of has is that it is paired with the pronouns he, she, and it. It can also be used when you are referring to someone by name. John has a bike. Suzy has a car.
1. 'Has' is the third person singular present tense of 'have' while 'had' is the third person singular past tense and past participle of 'have. Both are transitive verbs, but 'has' is used in sentences that talk about the present while 'had' is used in sentences that talk about the past.
You have to use "had had" if something has been done long back, not recently. But if something has been done recently, then you can use "have had" or "has had" depending on the pronoun. For example, I have had a good lunch this afternoon.
An auxiliary verb (or a helping verb as it's also called) is used with a main verb to help express the main verb's tense, mood, or voice. The main auxiliary verbs are to be, to have, and to do. They appear in the following forms: To Be: am, is, are, was, were, being, been, will be.
Auxiliary verbs include forms of “have†(has, have, had), “do†(does, do, did), and “be†(be, am, is, are, was, were, being, been) as well as the nine modal auxiliary verbs can, could, will, would, shall, should, may, might, and must.
There is no rule to stop you using more than one auxiliary verb in a sentence. You can also use more than one with the same verb: I do and always will support the government.
For the negative and interrogative simple past form of "to do" as an ordinary verb, use the auxiliary "did", e.g. We didn't do our homework last night. The negative of "have" in the simple past is usually formed using the auxiliary "did", but sometimes by simply adding not or the contraction "n't".
Simply put, in English, a determiner is a word that introduces a noun or provides information about the quantity of a noun. It always comes before a noun, not after, and it also comes before any other adjectives used to describe the noun.
Have should always be in the simple present tense for the meaning “to own,†or to describe medical problems. For example: They have a new car. It is incorrect to say “I am having a cold†or “I am having a new car.†“I'm having a heart attack†does seem to contradict this rule.
When you will write a past sentence in negative or interrogative form, the auxiliary verb “did†will be used. The one and only auxiliary verb of past indefinite tense is 'did'.