Conjugation of the verb jack-knife in English in all tenses
Here are the conjugation tables for the verb jack-knife in English.
Conjugation of the verb jack-knife in the present tenses
Present Tense
- I jack-knife
- you jack-knife
- he|she|it jack-knifes
- we jack-knife
- you jack-knife
- they jack-knife
Present Continuous
- I am jack-knifing
- you are jack-knifing
- he|she|it is jack-knifing
- we are jack-knifing
- you are jack-knifing
- they are jack-knifing
Present Perfect
- I have jack-knifed
- you have jack-knifed
- he|she|it has jack-knifed
- we have jack-knifed
- you have jack-knifed
- they have jack-knifed
Present Perfect Continuous
- I have been jack-knifing
- you have been jack-knifing
- he|she|it has been jack-knifing
- we have been jack-knifing
- you have been jack-knifing
- they have been jack-knifing
How to use these conjugation tenses in English? The Present expresses habit, frequency, general truth and state in English. The Present Continuous mainly expresses the idea of an action or activity that is still in progress. The Present Perfect expresses notions that are always related to the present or the consequence of an event. Finally, the Present Perfect Continuous associates with the idea of activity that of duration.
Conjugation of the verb jack-knife in the past tenses
Simple past
- I jack-knifed
- you jack-knifed
- he|she|it jack-knifed
- we jack-knifed
- you jack-knifed
- they jack-knifed
Past continuous
- I was jack-knifing
- you were jack-knifing
- he|she|it was jack-knifing
- we were jack-knifing
- you were jack-knifing
- they were jack-knifing
Past perfect
- I had jack-knifed
- you had jack-knifed
- he|she|it had jack-knifed
- we had jack-knifed
- you had jack-knifed
- they had jack-knifed
Past perfect continuous
- I had been jack-knifing
- you had been jack-knifing
- he|she|it had been jack-knifing
- we had been jack-knifing
- you had been jack-knifing
- they had been jack-knifing
How do you use these conjugation tenses in English? The Simple Past expresses completed actions unrelated to the present, dated past actions or habits. It is very often used in English. The Past Continuous (Simple Past + ING) on the other hand is used to talk about ongoing actions in the past or a past action in progress when another action occurs. The Past Perfect is used to indicate that the action took place before another past action. Finally, the Past Perfect Continuous is used to refer to a continuous action in the past that has continued until another past action.
Conjugation of the verb jack-knife in the futur tenses
Future
- I will jack-knife
- you will jack-knife
- he|she|it will jack-knife
- we will jack-knife
- you will jack-knife
- they will jack-knife
Future continuous
- I will be jack-knifing
- you will be jack-knifing
- he|she|it will be jack-knifing
- we will be jack-knifing
- you will be jack-knifing
- they will be jack-knifing
Future perfect
- I will have jack-knifed
- you will have jack-knifed
- he|she|it will have jack-knifed
- we will have jack-knifed
- you will have jack-knifed
- they will have jack-knifed
Future perfect continuous
- I will have been jack-knifing
- you will have been jack-knifing
- he|she|it will have been jack-knifing
- we will have been jack-knifing
- you will have been jack-knifing
- they will have been jack-knifing
How do you use these conjugation tenses in English? The Future is used to talk about factual actions in the future. The Future Continuous is used to talk about things that will be happening in the future. The Future Perfect is a conjugation tense not often used in English, this conjugation tense is used to talk about a future factual action prior to another one. Finally the Future Perfect Continuous is very rarely used, this tense is used to talk about a future action in progress and prior to another.
The different forms of the participle in English, for the verb to jack-knife
The imperative in English, for the verb to jack-knife
Imperative
- jack-knife
- let's jack-knife
- jack-knife
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