Question

I completed my project by afternoon.(Future Perfect Continuous)

Answer 1

Explanation:

I will have been completing my project by afternoon

Answer 2

Answer:

I will have been completing my project by afternoon.

subject + will/shall + have + been + first form of verb + ing

━━━━━━━━━━━━━━━━━━━━

Simple Present:

Subject + first form of verb + s or es

Present Continuous:

Subject + is/am/are + first form of verb + ing

Present Perfect Continuous:

Subject + has/have + been + first form of verb + ing + since/for.

Since - point of time

For - period of time

▬▬▬▬▬▬▬▬▬▬▬▬▬▬