"expend time" is not correct or usable in written English.
Instead, you could use the phrase "spend time" which means to use or pass (time) in a specified way. For example, "You should spend time studying for the exam if you want to pass."
The Pratts were willing to expend time in place of money.
Great powers cannot always choose where to expend time and energy.
The British and U.S. patent offices have long refused to expend time or energy on such claims.
"I believe in the end we'll prevail, but we may still incur substantial attorney's fees and expend time and effort away from our clients," said Mr. Mazza, a former regulator at the National Futures Association.
Rowan Williams said earlier that if the church got this issue out of the way it wouldn't have to expend time and energy on it for the next 10 years.
Many other New Jersey Democrats concur that Mr. Bradley was self-absorbed as a senator, reluctant to expend time or political capital on any initiative that was not his own.
They expended time, effort and money to keep me alive.
President Obama expends time, energy and political capital to get a controversial stimulus package through Congress — a package that looks as though it could avert a crisis of historic proportions.
It is hard to imagine any party expending time and effort on such a referendum – even if scrapping a gaggle of Canberra pollies would give the electorate a perverse pleasure.
There would have been no motivation for the developers of these applications to have expended time, effort, and in some cases, their own financial security, in pursuit of their vision if they weren't guaranteed their inventions would have been able to work over any Internet connection.
Absent any exactness in the answers, I tallied up who was expending efforts and concluded: the issuing bank had expended time and energy; as did the vendors with whom I do business and I too had an expenditure of time and energy.
