I don't agree with the following tip. I agree with Harton. I am English and was a teacher of English. What you suggest is very formal and rarely used in nowadays in spoken English. I believe that just as it is important to learn French as it is actually spoken, it is also important to learn English as it is actually spoken.
Whereas in English, you will need to use a subject pronoun after than (... than I (do), you (do), he/she (does)...), in French you will once again use the stress pronoun after que (... que moi, toi, lui/elle, nous, vous, eux/elles). You will also never repeat the verb (do/am/have) afterwards:
