It is the present progressive tense of the verb 'to focus.'
I/you/we/they focus. He/she/it focuses. The present participle is focusing.
Focusing, its called a focusing knob.
Am, is, and are are present tense forms of be. The past tense forms of be are was and were. The future tense of be is will be.
Past tense I had Present tense I have Future Tense I will have
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
No 'is' is present tense. am/is/are = present tense was/were = past tense
past tense is got future tense is will get
present tense is get or getspast tense is got or gottenfuture tense is will (or shall) get
SayPast tense - said.Present tense - say/says/saying.Future tense - will say.GetPast tense - got.Present tense - get/gets/getting.Future tense - will get.
Present tense : I, we, you, they lose / he, she, it losesPast tense : lostFuture tense : will lose
It was, (past tense) it is, (present tense) it will be( future tense)
present tense and future tense