The present perfect tense is:
Have you ever seen the Taj before?
The present perfect tense of want is have/has wanted. Always is an adverb and does not change from one tense to another.
The present perfect tense is used to express experience, change or a continuing situation.
The present perfect tense is used to describe actions that are completed at the present moment or have relevance to the present. For example, "I have finished my homework." Future perfect tense is used to describe actions that will be completed before a specific point in the future. For example, "By next week, I will have completed my project."
It is the present perfect tense.
The present perfect tense of "I ate food with dahi" is: I have eaten food with dahi.
Present perfect tense.
The present perfect tense of "see" is "have seen." It is formed by using the present tense of "have" or "has" with the past participle of "see." For example, "I have seen that movie before."
The present perfect tense of "hid" is "have/has hidden."
The present perfect tense of "exist" is "has/have existed."
The present perfect tense of "watch" is "have watched" or "has watched." For example, "I have watched that movie before."
The present perfect tense can be used to express experience, a change or a continuing situation.
The past tense of "do" is "did." "Have done" is the present perfect tense, which signifies an action that was completed at some point before now.