Conjugation of the auxiliary verb to do in English
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Lesson outline
HideConjugation of the verb 'to do' in English
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Livia C. 
Roberta C. 
TRACY ANN J. 
Aislinn H. 
Diana T. 
Mmathabo N.
Ángel R.
Tshidi J.
Andrea M.
John M. 
Present tense
| Subject | Present simple | Present continuous | Present perfect |
|---|---|---|---|
| I | do | am doing | have done |
| You | do | are doing | have done |
| He, she, it | does | is doing | has done |
| We | do | are doing | have done |
| You | do | are doing | have done |
| They | do | are doing | have done |
Past tense
| Subject | Past simple | Past continuous | Past perfect |
|---|---|---|---|
| I | did | was doing | had done |
| You | did | were doing | had done |
| He, she, it | did | was doing | had done |
| We | did | were doing | had done |
| You | did | were doing | had done |
| They | did | were doing | had done |
Future tense
| Subject | Future simple | Future continuous | Future perfect | Future perfect continuous |
|---|---|---|---|---|
| I | will do | will be doing | will have done | will have been doing |
| You | will do | will be doing | will have done | will have been doing |
| He, she, it | will do | will be doing | will have done | will have been doing |
| We | will do | will be doing | will have done | will have been doing |
| You | will do | will be doing | will have done | will have been doing |
| They | will do | will be doing | will have done | will have been doing |
Imperative
| Imperative | Subject |
|---|---|
| - | I |
| Do | You |
| - | He, she, it |
| Let's do | We |
| Do | You |
| - | They |
Infinitive
| Present tense | Past tense |
|---|---|
| to do | did |
Participles
| Present participle | Past participle |
|---|---|
| doing | done |