Answer:

Present perfect tense-

The present perfect is a grammatical combination of the present tense and perfect aspect that is used to express a past event that has present consequences. The term is used particularly in the context of English grammar to refer to forms like "I have finished".

Future perfect tense-

The future perfect is a verb form or construction used to describe an event that is expected or planned to happen before a time of reference in the future, such as will have finished in the English sentence "I will have finished by tomorrow."

Past perfect tense-

The pluperfect, usually called past perfect in English, is a type of verb form, generally treated as a grammatical tense in certain languages, relating to an action that occurred antecedent to a contextually aforementioned time in the past. Examples in English are: "we had arrived"; "they had written".

Explanation:

nahanap ko po ito pero sana nakatulong