I/you/we/they knot. He/she/it knots.
The present participle is knotting.
How it is used determines tense I think. Knot can be used in any tense There was a knot in my laces. There is a knot in my laces. I'm going to knot my laces. Past, present and future. Knotting is the same. It's how the word is used that determines the tense.Knotting is the present perfect tense of Knot. Knot is a word that can be used as a verb, noun or as a verbal. A verbal is a word that looks like a verb, but it's not a verb.Example of Knot used as a verb in the present.I knot the rope to the tree every day.Example of Knot used as a verb in present perfect.I am knotting the rope to the tree right now.Examples of Knot used as a NOUN.I made a knot using this string.There was a knot in my laces.There is a knot in my laces.Example of Knot used as a Verbal.I'm going to knot my laces.
The present tense form of the word "have" is "have".
The word "plays" is in present tense.
the word "was" is in the past, but the present tense of "was" is are
"Has" is in present tense. The past tense is "had".
The word 'ask' is in the present tense.
"received" is the past tense. The present tense of that word is "receive"
present tense
The word "do" is used in both present and past tenses. In present tense, it is used as an auxiliary verb to form questions and negatives (e.g. Do you like coffee? I do not know). In past tense, it can be used as the past tense of "do" (e.g. He did his homework).
The simple present tense is do.
The simple present tense is do.
Yes - are is a present tense plural 'be' verb.