"conducted classes" is correct and usable in written English.
You can use it to refer to classes that have been conducted or taught, such as in the sentence, "My professor conducted classes on literature throughout the semester."
For the next two and a half years, the center conducted classes in several different locations.
At the beginning of the school term, says Keelan, she has sometimes conducted classes to the sound of "sniffing and sobbing".
"To prepare my daughters for a bookselling career, I conducted classes in the bookstore by going over new acquisitions with them," he wrote in his autobiography.
Driver standards managers conducted classes as each thought best, and there were gaps in instruction - most obviously in Mr Hodder's instructor, named only as Adams, not recognising it was part of his job to teach route knowledge.
After her husband's death in 1902 she worked as manager of a model tenement in South Boston, where she also conducted classes in English and domestic skills for her tenants.
He has conducted classes and workshops,written curriculums and educational programmes, given lectures and performed cooking demonstrations for more than 100 groups including the Smithsonian Institution, Colonial Williamsburg, Thomas Jefferson's Monticello, Library of Congress and the Oxford University Symposium on Food and Cookery.
Young Mark attended the local public school, which conducted class in the basement of the Presbyterian church.
I'm conducting classes in handling and grooming.
"I learned as much from that as from my conducting classes," Mr. Eddins said.
Pregnant women often take part, said Zohar, who conducts classes all over the county.
Many bands that take part in the Carnival celebration are also conducting classes for teen-agers.
