present perfect active:
The students have invited us to the dance.
present perfect passive:
We have been invited to the dance.
The active sentence tells us who the subject (doer/actor of the verb) is. The passive sentence does not tell who the actor is. This places emphasis on the action not the actor.
In active voice, the subject of the sentence performs the action. For example, "I have finished my homework." In passive voice, the subject receives the action. For example, "My homework has been finished by me." The main difference is that active voice focuses on the subject performing the action, while passive voice focuses on the object receiving the action.
== == "English grammer active and passive voice change from active to passive .
The sentence is written in the present perfect tense. It is active voice because Rocky (the subject) has done something. If you write "The picture was taken by Rocky" that would be passive voice.
Active sentences are subject + verb + object. The show the doer (subject ) of the verb.eg The dog chased the cat.Passive sentences are not s + v+ o.eg The cat was chased. (past simple passive)Passive sentences have the verb form - be+past participle eg was chasedAnother example The cake has been eaten. (present perfect passive).If you want to show who did the action in a passive sentence then add - by+noun or noun phrase.eg The cat was chased by the dog.
Verbs can take on different forms based on tense (past, present, future), aspect (simple, perfect, progressive), and voice (active, passive). These forms combine with the base form of the verb to create variations such as infinitives, gerunds, participles, and conjugated forms.
To change interrogative present simple active voice sentences into passive voice, you typically move the object of the active sentence to the subject position in the passive sentence, and use a form of "be" along with the past participle of the verb. For example, change "Do you know the answer?" to "Is the answer known by you?"
have/has flown This above is present perfect active not passive. Passive is be verb + past participle He has been flown to hospital.
The mayor has given gifts to the pupils. -- active The pupils have been given gifts by the mayor -- passive Notice "the mayor" is the subject of the active sentence. In the passive sentence "the mayor' is the agent (by + agent). The object of the active sentence (the pupils) goes at the beginning of the passive sentence. The verb in the active sentence is present perfect, The passive form for present perfect is: have/has + been + past participle
== == "English grammer active and passive voice change from active to passive .
The sentence is written in the present perfect tense. It is active voice because Rocky (the subject) has done something. If you write "The picture was taken by Rocky" that would be passive voice.
What is the difference between active attacks passive attacks in GSM network?
Active transport requires energy; passive transport does not.
A: The difference is PASSIVE / ACTIVE
To change interrogative present simple active voice sentences into passive voice, you typically move the object of the active sentence to the subject position in the passive sentence, and use a form of "be" along with the past participle of the verb. For example, change "Do you know the answer?" to "Is the answer known by you?"
Active sentences are subject + verb + object. The show the doer (subject ) of the verb.eg The dog chased the cat.Passive sentences are not s + v+ o.eg The cat was chased. (past simple passive)Passive sentences have the verb form - be+past participle eg was chasedAnother example The cake has been eaten. (present perfect passive).If you want to show who did the action in a passive sentence then add - by+noun or noun phrase.eg The cat was chased by the dog.
Verbs can take on different forms based on tense (past, present, future), aspect (simple, perfect, progressive), and voice (active, passive). These forms combine with the base form of the verb to create variations such as infinitives, gerunds, participles, and conjugated forms.
Fiber optic couplers can be either active or passive devices. The difference between active and passive couplers is that a passive coupler redistributes the optical signal without optical-to-electrical conversion. Active couplers are electronic devices that split or combine the signal electrically and use fiber optic detectors and sources for input and output.
Active transport requires ATP and passive transport does not. Active transport goes against the concentration gradient and passive transport goes with the concentration gradient and includes osmosis, diffusion and facilitated diffusion.