When 2 things or persons are equivalent, use "aussi ... que". It means "as ... as".

Note: que becomes qu' when the following letter is a vowel.

Examples

• Jean est aussi grand que Sébastien.
  Jean is as tall as Sébastien is.
• Isabelle est aussi curieuse qu'Aurélie.
  Isabelle is as curious as Aurélie is.

Note: de becomes d' when the following letter is a vowel.

Example

• Roger est aussi chanceux que Thomas = Roger a autant de chance que Thomas.
  Roger is as lucky as Thomas = Roger has as much luck as Thomas has.