Unless you say "he will" because he'll is a contraction, it is only one syllable.
A very good way for anyone to practice saying syllables is to clap while you say the word so that you may know how many syllables there are in that word.
Hell if i know...
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.
Two syllables
2 syllables
2 syllables