What is the difference between Future Perfect Indicative and Perfect Subjunctive

1. What is future perfect subjunctive?
2. What is the difference between present perfect subjunctive and subjunctive?
3. What is perfect subjunctive?
4. What is the difference between future perfect and future perfect continuous?

What is future perfect subjunctive?

The future perfect subjunctive is used to indicate actions that will have happened in the future at a certain point after an undetermined point of time.

What is the difference between present perfect subjunctive and subjunctive?

The present subjunctive is used when the dependent clause is in the present or future. The present perfect subjunctive is used when the dependent clause is in the past.

What is perfect subjunctive?

The present perfect subjunctive is used to describe what has happened in instances where the subjunctive is signaled: denial, doubt, recommendation, etc. For example: 'I hope that you have studied', 'I doubt that you have completed your homework', 'Ron is surprised that she has done it'.

What is the difference between future perfect and future perfect continuous?

What is Their Main Difference? Future perfect tense discusses an action or event that will come to an end before an exact time in the future. Future continuous tense, however, talks about an action that will be happening at an exact time in the future.