Now is not a verb and so doesn't have a past tense. Only verbs have past tenses.
"Now" isn't a verb and so doesn't have a past tense.
The past tense of "just now" is "a moment ago" or "just then".
(he/she) was - the simple past (of the verb to be).
The present tense expresses something that is happening now whilst the past tense expresses something that has already happened.
It is also "set up" The past tense of set is also set. For example: I set up my friends and now they're getting married.
was is the past tense of am eg. 'I am' (now) but 'I was' (is past)
"Now" isn't a verb and so doesn't have a past tense.
The past tense of "just now" is "a moment ago" or "just then".
(he/she) was - the simple past (of the verb to be).
There is no past tense of the word "now," because past tense is a verb form that expresses action that has already occurred. "Now" is an adverb, not a verb. Adverbs modify a noun, verb or phrase. For example: In the question "What time is it now?" "now" modifies the noun "time." The antonym (opposite) of "now" is "then."
present because it is happening now
I would have to say that the past tense of speak is "spoke". (ie I will speak now....... I spoke then)
Now is present and then is past tense
Did is the past tense of do. Have done is present perfect.
The past simple tense is knew. e.g. "I knew the answer but I forgot. "The perfect past tense is had known. e.g. "I had known once, but I don't know now."
The past tense is when you write or speak about something that happened in the past or before present (now). So if you were to say I WENT to the shop, the WENT indicates that it happened before now however if you said i am going to the shop, am going indicates that it is happening now which is the present tense.
The present tense expresses something that is happening now whilst the past tense expresses something that has already happened.