Verb conjugation of "craindre" in French

I try to learn English as much as possible so that I can travel next year to the United States. I would agree to your proposal but I also need to find good teachers. My goal is quality and speed.
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.
Thank you for your email, everything was crystal clear. We should call each other, this would be the best way. Do you have the same opinion? But I think I need more help, for example: how do you conjugate swim?