Verb conjugation of "connaître" in French

Today we have what we call 'hair dryer wind' (south wind from over the Alps), and it is around 30 degrees in Aarau. In some places even 31. Many people have headaches because of the weather.
Carl said that he would need a private tutor for his spoiled son. My opinion is that sometimes this is counter productive measure as it gives the pupil a feeling of being weaker then the others and may lead to discouragement.
I've actually found Vocabulix only because I could not conjugate an English word and then I suddenly was there: learning vocabulary, and meeting friends makes so much fun ...