No, smile has two syllables. Smi-le.
There are four syllables. Whisk-er-y - smile.
1
There are two syllables like so: smil-ing.
1 + 2 = 3 syllables
1
There are two syllables in "Young Girl."
2.
1
1
1
"It's" has 1 syllable. "It is" has 2 syllables.