He spent nine months studying his fellow instructors' teaching methods in voice, keyboards, drums and guitar.
The expedition spent two months studying the open tombs, visiting about 16 of them.
She shut herself off for two months studying.
If I'd spent the past several months studying, I'd probably know what it was.
Delafield also spent some months studying in Paris hospitals.
He will spend the next couple of months studying the intricacies of playing linebacker.
The group, which spent 18 months studying what could be done to promote the state's history, found many cases of neglect.
Most students choose to spend between 1 - 18 months studying in Vienna, with 3 hours of classes per day.
He landed in June with an assistant, intending to spend about one month studying the wildlife, especially the birds.
In summer 1833 she was allowed to spend six months studying in Stuttgart.