jackknifed
past tense of jackknife is jackknifed.
website for synonyms, antonyms, verb conjugations and translations
Jackknife Past Tense
Jackknife verb forms
| Infinitive | Present Participle | Past Tense | Past Participle |
|---|---|---|---|
| jackknife | jackknifing | jackknifed | jackknifed |
Conjugation of Jackknife
| Simple / Indefinite Present Tense |
|---|
| He/She/It jackknifes . |
| I jackknife. |
| You/We/They jackknife. |
| Present Continuous Tense |
|---|
| He/She/It is jackknifing. |
| I am jackknifing. |
| You/We/They are jackknifing. |
| Present Perfect Tense |
|---|
| He/She/It has jackknifed. |
| I have jackknifed. |
| You/We/They have jackknifed. |
| Present Perfect Continuous Tense |
|---|
| He/She/It has been jackknifing. |
| I have been jackknifing. |
| You/We/They have been jackknifing. |
| Simple Past Tense |
|---|
| He/She/It jackknifed. |
| I jackknifed. |
| You/We/They jackknifed. |
| Past Continuous Tense |
|---|
| He/She/It was jackknifing. |
| I was jackknifing. |
| You/We/They were jackknifing. |
| Past Perfect Tense |
|---|
| He/She/It had jackknifed. |
| I had jackknifed. |
| You/We/They had jackknifed. |
| Past Perfect Continuous Tense |
|---|
| He/She/It had been jackknifing. |
| I had been jackknifing. |
| You/We/They had been jackknifing. |
| Simple Future Tense |
|---|
| He/She/It will/shall jackknife. |
| I will/shall jackknife. |
| You/We/They will/shall jackknife. |
| Future Continuous Tense |
|---|
| He/She/It will/shall be jackknifing. |
| I will/shall be jackknifing. |
| You/We/They will/shall be jackknifing. |
| Future Perfect Tense |
|---|
| He/She/It will/shall have jackknifed. |
| I will/shall have jackknifed. |
| You/We/They will/shall have jackknifed. |
| Future Perfect Continuous Tense |
|---|
| He/She/It will/shall have been jackknifing. |
| I will/shall have been jackknifing. |
| You/We/They will/shall have been jackknifing. |