USES OF : That, Now that, Though, Although, As though.
THAT
'That', as a conjunction, retains much of its force as a Demonstrative Pronoun. Thus the sentence ‘I am told that you are miserable’ may be transposed into ‘You are miserable: I am told that.’
That is also used-
To express a Reason or Cause, and is equivalent to because:
Examples
Not that I loved Caesar less, but that I loved Rome more.
He was annoyed that he was contradicted.
To express a purpose and is equivalent to in order to:
Examples
We sow that we may reap.
He kept quiet that the dispute might cease.
To express a Consequence, Result or Effect:
Examples
I am so tired that I cannot continue.
He bled so profusely that he died.
He was so tired that he could barely stand.
NOW THAT
'Now that', add an action that is finished, followed at last by the result, which is usually in the form of a sentence.
Examples
Now that we're ready to start, why don't we start!
Now that I'm an adult, I can eat and drink whatever I want!
THOUGH
'Though' is used for introducing a statement that makes what you have just said seem less true or less likely.
Examples
The tracking, though difficult, involved no real danger.
I really enjoyed your lecture, though there were some topics I didn't quite understand.
ALTHOUGH
Although is used interchangeably to connect two ideas inside the same sentence.
Examples
Although he's very famous he is still nice.
Although, I liked the jacket, I decided not to buy it.
