The phrase "assess when they" is correct and usable in written English.
It can be used in contexts where you are evaluating or determining something based on the timing or conditions related to a subject or group.
Example: "We need to assess when they will be ready to proceed with the project."
Alternatives: "evaluate when they" or "determine when they".
By midday it became clear, officials said, that the stock and futures exchanges would need at least a second day to adjust, absorb the tragedy and assess when they might be ready to reopen.
But these variables do not include glare or the effects of nearby vehicles' high windows because these are hard for police officers to assess when they arrive after an accident.
In order to investigate the validity of manual physical assessment of the spine, it is therefore essential to establish what physical therapists intend to assess when they are applying these tests.
Do not assume that the E.F.C. you see early in the process will be the same E.F.C. that colleges will assess when they have a full picture of your financial situation.
Narongsak Osatanakorn, the governor of Chiang Rai province, who is heading up the rescue mission, said they were in a "race against time" and were evaluating risk levels to try to assess when they should evacuate rescue teams, given that monsoon rains are predicted to arrive on the weekend.
"If someone needs a lot of equipment the community teams won't come in and assess," says Green, "they'll only assess when they're at home".
In particular, the relevance of these D-G interaction types is discussed, by assessing when they affect visibly the column ultimate strength and/or failure mode.
Their acute reflex breathing responses to ventilatory stimuli (hypoxia, hypercapnia and external cyanide) were assessed when they had reached maturity (3 months or older).
In an attempt to maintain consistent standards, a new Prison Education Framework demands that every prisoner's education is assessed when they are admitted, and that mandatory education in maths, English and ICT is provided to those below level 1.
This longitudinal study examined the concurrent and predictive relations between executive function (EF) and theory of mind (ToM) in 82 preschoolers who were assessed when they were 2, 3, and 4 years old.
