Final answer:
The present perfect indicative is used to express actions or events that started in the past and continue into the present or have just ended. The present perfect subjunctive is used to express wishes, suggestions, requirements, or hypothetical situations.
Step-by-step explanation:
The difference between present perfect indicative and present perfect subjunctive lies in their usage and the verb form they take.
The present perfect indicative is used to express actions or events that started in the past and continue into the present or have just ended. For example, I have finished my homework. Here, the verb form is 'have + past participle'.
On the other hand, the present perfect subjunctive is used to express wishes, suggestions, requirements, or hypothetical situations. It is more commonly used in formal contexts. For example, I suggest that he have a meeting with the team. Here, the verb form is 'subjunctive form of the verb'.