This was called "dual awareness" - thinking about the past and present at the same time.
We never had a rehearsal where all three of us weren't present at the same time.
One is entirely in the past and in the present at the same time.
Two witnesses must be present at the same time and must both sign the document.
Often the two actors were never present at the same time, especially when he shot the car sequences.
In certain instances two or more catalysts present at the same time produce effects greater than either would produce alone.
As it mingles with Mr. Freeman's words, you may feel yourself oddly in the past and in the present at the same time.
Fourth, university administrators investigating complaints of a sexual nature must offer the complainant an opportunity to opt out of being present at the same time and place as the alleged offender.
Those require everyone to be "present" at the same time, but not necessarily the same place.
Developing these factors, we present at the same time particular suggestions for overcoming these barriers.
In the other, less common form, both 'units' are present at the same time.
