The past tense of "just now" is "a moment ago" or "just then".
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.
(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)
The phrase "just now" typically refers to a moment very recently in the past, so it is usually associated with the past tense. However, it can also be used in the present tense to indicate something that has just happened or is happening at this moment.
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.
(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."
"Complain" in past tense is "complained" and in present tense is "complains."
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
"Have appeared" is used in the present perfect tense to indicate that something occurred at an unspecified time before the present. "Appeared" is used in the simple past tense to describe an action that happened at a specific point in the past.
The past tense of "do" is "did." "Have done" is the present perfect tense, which signifies an action that was completed at some point before now.
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."