The three perfect tenses in English are the three verb tenses which show action already completed. (The word perfect literally means “made complete” or “completely done.”)
They are formed by the appropriate tense of the verb to have plus the past participle of the verb.
Present Perfect: I have seen it.
(Present tense of to have plus participle. [...]
The progressive tenses are the six tenses in English which show continuous or repeated actions. Sometimes the past progressive is called the imperfect.
The six progressive tenses correspond to the three basic and three perfect tenses. They are formed by the appropriate basic or perfect tense of the verb to be followed by the present [...]
The basic or simple tenses are the three tenses which are the simplest in the English language–past, present, future, without any other condition or character.
The basic present tense uses the same verb as the verb part of the infinitive. In the third person singular an -s or -es is added. There are a number of [...]
FORM of Future Perfect Continuous
The Future Perfect Continuous is composed of two elements: the future perfect of the verb ‘to be’ (will have been) + the present participle (V-ing) of the main verb:
S + will have been + V-ing
I will have been learning English.
He will have been swimming well.
They will have been watching TV.
S + [...]
FORM of Future Perfect
The future perfect is composed of two elements: the simple future of the verb to have (will have) + the past participle (PP) of the main verb:
S + will have + PP
I will have learnt English.
He will have swum well.
They will have watched TV.
S + will have not + PP
I will not [...]
FORM of Past Perfect Continuous
The Past Perfect Continuous has two parts: the past perfect of the verb to be (=had been) + the present participle (V-ing) of the main verb. See examples below.
S + had + been + V-ing
I had been learning English.
He had been swimming well.
They had been watching TV.
S + had not + been [...]
FORM of Past Perfect
The Past Perfect has two parts: the past tense of the verb ‘to have’ (=had) + the past participle (PP) of the main verb. See examples below.
S + had + PP
I had learnt English.
He had swum well.
They had watched TV.
S + had not+ PP
I hadn’t learnt English.
He hadn’t swum well.
They had not [...]
FORM of Present Perfect Continuous
The Present Perfect Continuous has two parts: The Present Perfect of the verb ‘to be’ (have/has been) and the Present Participle of the main verb (V-ing). See examples below.
S + have/has + been + V-ing
I have been learning English.
He has been swimming well.
They have been watching TV.
S + have/has not+ been [...]
FORM of Present Perfect
The Present Perfect has two parts: The verb to have and the Past Participle (PP) of the main verb (have/has + PP). See examples below.
S + have/has + PP
I have learnt English.
He has swum well.
They have watched TV.
S + have/has not+ PP
I haven’t learnt English.
He hasn’t swum well.
They have not watched TV.
Have/Has [...]
FORM of Present Continuous for Future
The Future Simple has two parts: ‘to be + present participle (V-ing) of the main verb.
S + am/is/are + V-ing
I am learning English tomorrow.
He is swimming well soon.
They are watching TV tonight.
S + am/is/are not + V-ing
I am not learning English tomorrow.
He is not swimming well soon.
They aren’t watching TV tonight.
Am/Is/Are [...]