Shall is only has one tense (future).
The three helping verbs for forming emphatic tenses are "shall", "will", and "do". "Shall" and "will" are used only for future tenses, but "do" can be used in all tenses. However, note that all of these verbs can be used for non-intensive tenses also.
Can - Could May - Might Will - Would Shall - Should
No, it is not an adverb. The word shall is the first-person form of the verb "will" (future tenses of to be). Nowadays, I will go is used for most uses of shall. It still appears in forms such as "We shall see" and "Shall I go now?"The distinction disappears completely when using the contractions I'll and we'll.
The word "Islam" is a noun and so doesn't have any tenses. Only verbs have tenses.
The word "worse" is an adjective and so doesn't have any grammatical tenses. Only verbs have tenses.
is, was, will be
"I am reading" and "I read" are present tenses. "I will read" or "I shall read" or "I am going to read" are future tenses.
The three basic word tenses are past, present, and future.
'Treason' is a noun. Only verbs have tenses.
"Manic" is an adjective and so doesn't have tenses.
No, the word 'neither' isn't a verb so doesn't have any tenses. Only verbs have tenses.
Monotonous is an adjective. Only verbs have tenses.