The formula for the present perfect tense is: has/have + past participle. To make it negative, add the adverb not.
Examples:
The simple present tense follows this structure:Subject + Auxiliary Verb "do" + VerbHowever, the auxiliary verb is only used in negative sentences.e.g. I like VS I do not like
The present perfect tense follows this structure: Subject + have/has + past participle. For example: I have watched. She has watched.
The present progressive tenses follows this structure:Subject + auxiliary verb "be" + present participle.For example:I am working.You/We/They are working.He/She/It is working.
coincide is the present tense. coincided is the past tense
use have and has subject + have/has + past participle + object. I have eaten the cake.
The present perfect tense of "be":I have beenWe have beenYou have beenHe/she has beenThey have been
Have and has are both used in the present perfect tense:I/You/We/They have learned.He/She/It has learned.
the present of did is didnt Do is the present tense of did. Didn't is the past negative form
The simple present tense follows this structure/formula: Subject + Verb For example: I sing. For negative sentences, there is an addition of an auxiliary verb: Subject + Auxiliary Verb "Do" + Verb For example: I do not like him.
The simple present tense follows this structure:Subject + Auxiliary Verb "do" + VerbHowever, the auxiliary verb is only used in negative sentences.e.g. I like VS I do not like
Present tense with a negative imperative form.
The English language has many confusing present and past tenses. Surprisingly, "will" does not have a present tense. Its present tense is will only.Will is present tense the negative is won't and the past tense of will is would.
The present perfect tense follows this structure: Subject + have/has + past participle. For example: I have watched. She has watched.
The present tense follows this structure:Subject + Auxiliary verb "Do" + Verb.However, the auxiliary verb is only used in negative sentences.
Do you mean indicative? If you do, then an example is I do not see anyone here.
The past progressive tense follows this structure: Subject + was/were + present participle
The verb is is the present tense.