The phrase "and can be constructive" is correct and usable in written English.
You can use it to indicate that something has the potential to be helpful or beneficial in a particular context.
Example: "Criticism, when delivered thoughtfully, can be constructive and lead to personal growth."
Alternatives: "and may be beneficial" or "and can be helpful".
It teaches that exuberance can be constructive, and that individualism and innovation can be blessings (and, equally, that conservatism can often be dangerous).
And such subsequent analysis can be constructive, as well as critical.One thing, for example, that Dr Myhrvold claims to have spotted, and which previous researchers had missed, is that specimens allocated to a species called Allosaurus fragilis grew at two different rates.
Delivered by mental health professionals where available, with care to avoid blame and by involving patients in improving their symptoms, this can be constructive and welcome to patients (Salmon et al, 1999).
In the simplest cases, the value of knowledge generated could be rudimentary, but in the more advanced cases knowledge so generated can be constructive and creative (such as new invention) and highly significant breakthroughs (like the transistor configuration, the von Neumann's IAS architectural details, etc).
Appraisals can be constructive, and a chance to praise what's been done well.
"Afghanistan is going to be here a long time, and what's critical is that Afghanistan's relationship with its neighbors are, to the maximum extent they can be, constructive and operationally useful," General Allen said.
I hope this letter can be constructive and helpful for the future work of the IPCC".
But speaking to reporters at the G8 summit Hollande said: "On the presence of Iran, let's wait for the new president to speak and let's see if he can be constructive.
The 1991 debate on going to war with Iraq also demonstrated how Congress can be constructive in advancing American interests and values, and in supporting U.S. allies around the world.
Teenagers describe how parental involvement can be constructive or destructive [ 24], and the challenge is to find a level that is comfortable for all involved [ 22].
