The phrase "a shift over time" is correct and usable in written English.
It can be used to describe a gradual change or transition that occurs throughout a period.
Example: "The study revealed a significant shift over time in public opinion regarding climate change."
Alternatives: "a change over time" or "an evolution over time".
"We see a shift over time as users become more and more able to do voice calling on their PCs," Kazim said.
"We see a shift over time as users become more and more able to do voice calling on their PC's," Mr. Kazim said.
There will be a shift over time.
But the historically high fines also reflect a shift, over time, in how the Ethics Commission punishes violators.
In the longer term, some believe this large influx of foreign members could lead to a shift over time in the kinds of films and performances that receive nominations, boosting diversity and lending the Oscars a more international, art-house flavor.
A shift over time occurred in the importance of sub-Saharan Africa as a source of malaria cases.
Data are consistent with a shift over this time period in fish species in women's diets.
It required a strategic shift over time from being strictly a B2B company to becoming a B2C company as well one that could help consumers make informed decisions about their health and their health plans.
But there are important differences in the ways in which this is done in each of the frameworks, as well as a marked shift over time from respectful inclusion of local communities and knowledge toward a more top-down approach to DRR.
In addition to a species shift over time, there was combined effect on antimicrobial resistance; there was a marked increase in resistance to ceftriaxone and nalidixic acid.
They found a clear shift over time, with obesity becoming more common and starting earlier in life.
