SUCH AS, LIKE AND AS

SUCH AS

1. JILL WAS SUCH AS UPSET WHEN SHE MISSED HER FLIGHT THAT SHE CRIED.
2. IT WAS SUCH AS COLD DAY THAT I HAD TO WEAR A SCARF.
3. THIS RESTAURANT HAS SUCH AS DELICIOUS FOOD.

LIKE

1. IT LOOKS LIKE IT'S GOING TO RAIN.
2. THE HERO FEELS LIKE HE'S THE MOST POWERFUL MAN ON EARTH.
3. HE LOOKS LIKE HE HAS HAD A ROUGH NIGHT.

AS

1. IT LOOKS AS IF IT'S GOING TO RAIN.
2. THE HERO FEELS AS IF HE'S THE MOST POWERFUL MAN ON EARTH.
3. HE LOOKS AS IF HE HAS HAD A ROUGH NIGHT,

NOTE: LIKE IS A PREPOSITION (DON'T PANIC), WHICH MEANS THAT IT CAN COME BEFORE A NOUN BUT IT SHOULD NOT COME BEFORE A WHOLE CLAUSE CONTAINING A VERB. AS IS A CONJUNCTION, AND CAN BE USED BEFORE A CLAUSE CONTAINING A VERB.