Particularities of the verb forms

1. ‘to have’ can be an auxiliary verb and lexical (main) verb.
2. When ‘to have’ appears as the main verb, it also requires ‘to have’ as an auxiliary verb in the perfect tenses (example: “I have had”).

Forms of the irregular verb ‘to have’ in all tenses

The verb ‘to have’ occurs very frequently, so all its forms in all tenses are listed here. The tables also highlight the particular forms that differ from the repeating ones. For clarification, the grammatical persons are presented as follows:

Number	Person
Singular	1 I 2 you 3 he, she, it
Plural	1 we 2 you 3 they

Forms in the present

Tense	Person and subject	Simple	Progressive/continuous
Present	1 I 2 you 3 he, she, it 1 we 2 you 3 they	have have has have have have	am having are having is having are having are having are having
Present perfect	1 I 2 you 3 he, she, it 1 we 2 you 3 they	have had have had has had have had have had have had	have been having have been having has been having have been having have been having have been having

• Information: Negations are formed with ‘don’t/doesn’t’ and the verb in the infinitive (here ‘have’).

Forms in the past

Tense	Person and subject	Simple	Progressive/continuous
Past	1 I 2 you 3 he, she, it 1 we 2 you 3 they	had	was having were having was having were having were having were having
Past perfect	1 I 2 you 3 he, she, it 1 we 2 you 3 they	had had	had been having

• Information: Negations are formed with ‘didn’t’ and the verb in its infinitive form (here ‘have’).

Forms in the future

Tense	Person and subject	Simple	Progressive/continuous
Future (will)	1 I 2 you 3 he, she, it 1 we 2 you 3 they	will have	will be having
Future (going to)	1 I 2 you 3 he, she, it 1 we 2 you 3 they	am going to have are going to have is going to have are going to have are going to have are going to have	am going to be having are going to be having is going to be having are going to be having are going to be having are going to be having
Future perfect	1 I 2 you 3 he, she, it 1 we 2 you 3 they	will have had	will have been having

Infinitives and imperatives of ‘to have’

The imperative expresses commands and exists only in the 2nd person singular and plural, with its forms agreeing:

Person and subject	Imperative (affirmative)	Imperative (negated)
2 you 2 you	have have	don’t have don’t have

The infinitive is the base form and, like the participles, can appear in different aspects:

Verb form (aspect)	Infinitive	Present participle	Past participle
Simple	to have	having	had
Progressive	to be having	–	–
Perfect	to have had	having had (perfect participle)	–
Perfect progressive	to have been having	having been having	–