The phrase "are being reactive" is grammatically correct and can be used in written English.
Example: The company's current actions are being reactive instead of proactive, constantly responding to market changes instead of anticipating them.
Right now the one issue on which Democrats are most clearly identified is the House leaders' opposition to Bush's proposal for a cut in the capital gains tax--but in that, as in a number of cases, the Democrats are being reactive, and in that particular instance they are not only opposing the President but also fighting a rear-guard action against some of their own troops.
In a nutshell, they are being reactive rather than proactive.
If you are being reactive to a situation rather than responsive you are more likely to be short or snarky in your responses.
"Right now, we're being reactive to things.
"Our government is being reactive," said Itje Chodidjah, an education expert who has advised the government on previous curriculum changes.
The focus on "honour crimes" shows the government is being reactive to the media instead of bring proactive, she said.
You're being reactive rather than responsive, most likely due to a hurtful personal experience where joking has been used as a way to belittle you or be mean to you.
These senators are being active rather than reactive.
Facebook is being more reactive now then they've ever been, but it's not just because of G+.
"Seagate's biggest issue was that it was being a reactive company, and we needed a proactive strategy," says Luczo.
Candace was being treated for reactive detachment disorder, an inability to form loving relationships because of early trauma.
