He was injured and therefore unable to play in the final round.
this is my home work, therefore I need to do it at home
A comma is not typically used before "therefore." However, a comma may be used after "therefore" to separate it from the rest of the sentence when it is starting the clause.
Therefore, instead of turning at Faber Street, she crossed it.
No. The predicate of the sentence is objective and, therefore, the correct pronoun would be 'me'.
Vacant means Empty, therefore, a sentence you could use is: "The parking-lot is completely vacant."
Yes.
I therefore commenced with the hardcore bondage.
'He was a worried boy.' In this sentence worried is describing the boy, therefore worried is an adjective.
Iggle Piggle wandered around therefore he could see Upsy Daisy
Refer to your question. A question is a sentence and your sentence used the word "assault" in it. Therefore, you answered your own question.
He didn't go to class; therefore, he failed.The water main broke and therefore, no one could take a shower.I lost my job, so therefore, I could not pay my bills.
Whales are sentient beings and therefore shouldn't be hunted.