Yes, usually.
Yes. It can be used as long as it is followed by a comma and it refers to a statement previously made. Therefore, however, hence and thus are usually followed by a comma, as in:"Therefore, our idea should not be implemented."See the helpful link below for more information.
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.
No it is not a complete sentence on its own. It is because there should be something before Therefore.
Unfortunately is often used to join independent clauses and should therefore be preceded by a semicolon and followed by a comma. For example, "I was so excited about going to the concert; unfortunately, I got a painful sinus infection and was not able to go."
The next word should be capitalized.
It depends where it is in a sentence. At the beginning of a sentence, it is followed by a comma and should be preceded by a period or semi-colon--it is a conjunctive adverb, not a conjunction, though the error of treating it so is so common that it may eventually be accepted. . At the end of the sentence, it is generally preceded by a comma. In the middle of a sentence, it usually has commas at both ends. It is not set off by commas when modifying an adjective--e.g., "however false he may be"--though the phrase or clause it is a part of may be set off--e.g., "However false he may be in general, he is speaking the truth this time."
The grammatical error in this sentence is the tense inconsistency. The verb "followed" should be in the past perfect tense to match the conditional verb "would not have fought." The corrected sentence would be "He would not have fought them if they had followed his advice."
If should be followed by a dependent clause, a comma, an independent clause and then a period.
The future tense! However the question should have been preceded by a comma and put in inverted commas ending with a question mark! There should be no question mark in this sentence this is not a question.
Yes. 'Thus' is another word for 'therefore'. Thus the sentence you start of with 'thus' should be an explanatory sentence.
No, a comma is not necessary after "Inc" in a sentence. "Inc" is an abbreviation for "Incorporated," and it is typically used without a comma following it in a sentence.
It's THEREFORE. Here are some sentences.I think, therefore I am.Therefore, members of the jury, my client is innocent.You know what the word means; therefore, you should be able to write a sentence.