As and like

As and like : Grammar and Spelling Tips

• She's very like her mother.

Where a clause follows, you should use as or as if, e.g.

• He's behaving as if he owns the place. ---- This sentence is a right one.

• He’s behaving like he owns the place. ---- This sentence is a wrong one.

Or

• You don't know him as I do. ---- This sentence is a right one.

• You don’t know him like I do. ---- This sentence is a wrong one.