It is a tense of a verb.
Simple past tense. Past perfect tense. Past perfect continuous tense. Past continuous tense.
1)Simple Present Tense, 2)Simple Past Tense, 3)Simple Future Tense, 4)Present Continuous Tense, 5)Past Continuous Tense, 6)Future Continuous Tense, 7)Presnt Perfect Tense, 8)Past Perfect Tense, 9)Future Perfect Tense, 10)Present Perfect Continuous Tense, 11)Past Perfect Continuous Tense, 12)Future Perfect Continuous Tense.
Present perfect tense.
Simple is not a verb therefore it doesn't have a past tense. The past of perfect is perfected
Past Perfect (Simple)
The simple past tense is used to talk about an action that happened in the past. The present perfect tense is used to express experience, change and a continuing situation.
Have can be present simple tense: I have a new car.Have is used in present perfect tense: I have bought a new car.Had is the past tense of have.Had can be used in past simple: I had breakfast early today.had is used in past perfect: I had seen the movie before.
Simple tense verbs refer to actions that are completed or habitual without specific reference to time, while perfect tense verbs indicate actions that are completed within a specific time frame or in relation to another point in time. Simple tense verbs include present simple (e.g. "I eat") and past simple (e.g. "I ate"), while perfect tense verbs include present perfect (e.g. "I have eaten") and past perfect (e.g. "I had eaten").
Wrote is the simple past; had written is the past perfect.
"Has grown" is the present perfect tense of the verb grow. The past perfect tense is "had grown". The simple past tense of grow is grew.
Using the verb 'do': Simple past tense: did Present perfect tense: I/You/We/They have done. He/She/It has done.
the form of the past tense are past progressive,past perfect progressive,past perfect simple.