Sentence examples for we cannot be sure if from inspiring English sources
We cannot be sure if any of these people are ill.
The ultimate ambiguity of the plot is that we cannot be sure if Lisa really sees Marta on the ship.
What is astonishing is that such a defence of Britain's prewar intelligence effort can still be mounted with a straight face by so many in the 'intelligence community', although, in the case of Sir Richard, his evidence was delivered by audio link, so we cannot be sure if he was quietly smiling to himself as he testified".
We cannot be sure if this priority will change in the near future but it seems sure that petroleum companies must be prepared to cope with a very uncertain scenario.
Without knowledge of the original pigment's color we cannot be sure if we are observing change, we are lacking information needed to understand the artist's original intent, and it is challenging to specify suitable display conditions and/or treatment options.
Secondly, the physical activity and dietary level 48 h prior to the test were not directly controlled, and then we cannot be sure if our instructions were fully respected.
If we cannot be sure whether someone might decide to kill us tomorrow in order to save others, we can never be sure that we are safe from anyone.
In short, if we leave, we cannot be sure that reciprocal arrangements in any of the EU countries to which we like to go on holiday, packing our EHIC cards, will be guaranteed in the future.
If the intervention has positive effects, we cannot be sure which part of the intervention helped.
Furthermore, if hydration was not registered in the patient record, we cannot be sure that the hydration was executed but incorrectly registered in the report.
