Two.
The past tense is mattered.
It had not mattered that she cared. It does not matter that she cared.
none that mattered
Yes, the correct spelling is mattered (meant something, was of some value).
There are three Chinese syllables in the word "syllables."
There are 3 syllables in symphony:sym/pho/ny
there are 2 syllables in stomach. To see why, search 'How many syllables in attack?'
4 syllables am- phi- bi- an
Awake has two syllables. The syllables are a-wake.
there are 3 syllables
There are 14 syllables.
Happened has two syllables. The syllables are hap-pened.