The extent of time, not the actual number of hours, is what's significant.
And in the second, the reference is to an extent of time, not a number, so make it "was spent".
Also, we are describing the extent of time, not the number of years, so make it "as much as two years".
We are now a demographically diverse population with enormous variation across households in the extent of time devoted to the care of dependents, whether children, individuals with health or disability problems, or the frail elderly.
Today, I am warming to Browne's discussion of the long view: "such a compass of years will shew new examples of old things, parallelisms of occurrences through the whole course of Time, and nothing be monstrous unto him, who may in that time understand not only the varieties of Man, but the varieties of himself, and how many Men he hath been in that extent of time".
The Sal/Sed and the morphine sedentary groups were kept sedentary for the same extent of time.
Subjects with strong or moderate values had significantly fewer oral health-related problems (OHIP-extent) of time of total scores.
Further studies are needed to define the importance and the extent of time limit, but we think that every training efficiency and learning curve studies on focused sonography should integrate a time criterion.
Note the extent of time (around 700 years) the Ganga kingdom flourished.
The Paul family moved to Lake Jackson, Texas, in 1968, where he was raised and where his father began a medical practice and for an extent of time was the only obstetrician in Brazoria County.
