have / has saved
They have saved money all their lives.
She has saved very little money.
The present perfect tense of the verb "save" is "have saved" (or "has saved" when using it with he, she, or it).
The perfect tense of the verb "save" is "has/have saved." For example, "I have saved enough money to buy a new car."
The present perfect singular of the verb "to place" is "I have placed".
The present perfect tense of the verb "study" is "have studied."
The present perfect form of the verb 'sit' is 'have sat.'
"Have studied" is in the present perfect tense. It is formed by using the auxiliary verb "have" followed by the past participle of the main verb.
The present perfect tense of the verb "study" is "have studied."
The present perfect tense of the verb "search" is "have searched" or "has searched."
The present perfect tense of the verb "practice" is "have practiced" or "has practiced."
It is an adverb, not a verb,; it can accompany a Present, a Past, a Present Perfect, a Past Perfect and a Future verb.
The present perfect of visit is have/has visited.
The present perfect of "frighten" is "have frightened" or "has frightened."