perform - They perform well when they need to.
performs - He performs well.
be + performing - I am performing my best. They are performing their best. She is performing her best
Performed is past tense. The present tense is perform, and the future tense is will perform.
"Perform" by itself is present tense; "will perform" is in future tense. The past tense would be "performed".
Have performed
Have/Has been performing.
I/you/we/they have been performing.He/she/it has been performing.
Performed is past tense. The present tense is perform, and the future tense is will perform.
"Perform" by itself is present tense; "will perform" is in future tense. The past tense would be "performed".
Have performed
Have/Has been performing.
I/you/we/they have been performing.He/she/it has been performing.
I have performed.
Have/Has been performing.
The verb is is the present tense.
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
It was, (past tense) it is, (present tense) it will be( future tense)
Past tense I had Present tense I have Future Tense I will have
"Has" is in present tense. The past tense is "had".