What is the full structural formula for these compounds?

1) $C {H}_{3} - O H$ 2) $C {H}_{3} - C {H}_{2} - C {H}_{3}$ 3) $C {H}_{2} = C {H}_{2}$ 4) $C {H}_{3} - O - C {H}_{3}$ 5) $C {H}_{3} - N {H}_{2}$

$\text{Methanol, propane, ethylene, dimethyl ether, and methylamine.}$