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what has sulfur been used in the past?what has sulfur been used in the past?
Carroll Kertzmann
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What has sulfur been used in the past?
what has sulfur been used in the past?what has sulfur been used in the past?
Has wind energy been used successfully in the past?
yes it has been used successfully in the past
Has the energy source been used in the past?
Yes it has been successful in the past
What is Have been and had been?
"Have been" is used to indicate actions that started in the past and continue in the present. "Had been" is used to indicate actions that were completed in the past before another action occurred.
What is a past participle of been?
The past participle of "be" is "been." It is used to form the present perfect tense and the past perfect tense in English grammar.
Has biomass energy source been successfully used in the past?
Yes it has been successful in the past
What is the different between the have and have been?
Have is used for present and Have been is used for past continous.
What is the past participle of use?
Used (e.g "It had been used for...", "John was used", etc.)
What does 'been' mean?
"Been" is the past participle of the verb "to be." It is used to indicate that something has happened or existed in the past.
What has calcium been used for in the past?
it has been used for life forms for bones and shells.
Is been a verb?
"Been" is the past participle of the verb "be," used to indicate a state or condition that was present in the past.
You always get confused with the grammatical meaning or use of would have been is would have been in the past tense or future tense?
"Would have been" is used to talk about hypothetical situations or events that did not happen in the past. It is used to describe unrealized possibilities or regrets about the past. It is not used to refer to events in the future.
