Usually no, although it depends on the context.
Example without a comma following "whereas":
Old rose varieties are generally very fragrant, whereas the new hybrids often seem to have very little fragrance.
Example with a comma following "whereas":
He was polite and reserved at the office, whereas, if you saw him on the football field, you might not recognize that fierce competitor as the same person.
No, there should not always be a comma after the word "hopefully." It depends on the sentence structure. When "hopefully" is at the beginning of a sentence, it is often followed by a comma, but if it is used within a sentence, a comma is not necessary.
A conjunction is a part of speech an therefore has to be a word. A comma on the other hand is a punctuation mark. A semicolon can be used in place of a conjunction.
It is usually appropriate to place a comma before "but." One should not use a comma after "but."
The use of a comma does not depend on the word, it depends on the sentence structure. At times a comma will follow 'which' and at other times it will not.
No, a comma is not needed before and after the word "again" if it is in the middle of a sentence.
"Inc" is not a word, it's an abbreviation for "Incorporated," and there should be a comma before it.
Yes, you should capitalize the word after a comma in a sentence.
No, there should not always be a comma after the word "hopefully." It depends on the sentence structure. When "hopefully" is at the beginning of a sentence, it is often followed by a comma, but if it is used within a sentence, a comma is not necessary.
A conjunction is a part of speech an therefore has to be a word. A comma on the other hand is a punctuation mark. A semicolon can be used in place of a conjunction.
no
It is usually appropriate to place a comma before "but." One should not use a comma after "but."
The use of a comma does not depend on the word, it depends on the sentence structure. At times a comma will follow 'which' and at other times it will not.
No, a comma is not needed before and after the word "again" if it is in the middle of a sentence.
no
after
Not necessarily. The comma indicates a pause in speech. Use a comma after "but" only to indicate a noticeable pause in speech. If there is no pause, there should be no comma.
Put a comma after Lastly. You are beginning your sentence with an adverb, however, your adverb is not modifying any other word. Therefore, it must be set off from what follows. Lastly should be preceded by a period or semicolon to show it begins a sentence.