The present participle of to cook is cooking.
Here are two examples of the present participle used in the present progressive tense:
I am cooking.
You are cooking now.
Cook or cooks is the simple present tense.
Cook is the present tense.
It is cook, e.g. Tommorrow I am going to cook eggs and bacon for breakfast.
I/He/She/It was cookingWe/You/They were cooking
The verb is is the present tense.
Let's look at the verb 'sing'. Past tense - sang Past participle - sung Present tense - sing/sings Present participle - singing Future tense - will sing
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
Present Perfect - Have/Has cooked. Past Perfect - Had cooked. Future Perfect - Will have cooked.
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".
No 'is' is present tense. am/is/are = present tense was/were = past tense
Present tense