Verb conjugation of "durer" in French

The script I am writing will shuffle the 1.5 million words and it will detect if too many words are from the same user. And if an entry is too long, I will skip it and rely on the sentences that we can hopefully make up together.
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.
This is a fantastic idea, I am learning German just since last year. I speak, write and read well, and I will improve soon. This site, Vocabulix, I'm visiting often and I am mostly online.