The phrase "demonstrative about" is grammatically correct and can be used in written English.
It is commonly used to describe someone or something that displays a strong or emphatic show of a particular emotion or attitude. Example: The speaker was very demonstrative about their love for their hometown, passionately describing its beauty and charm to the audience.
Phrasing clearly matters.MPs report that constituents who support gay marriage are not demonstrative about it, whereas opponents campaign assiduously.
Now, consider you need to win Iowa, where conservative voters have proven their affinity for candidates who are demonstrative about their faith.
Outside the spotlight, Mr. Romney can be demonstrative about his faith: belting out hymns ("What a Friend We Have in Jesus") while horseback riding, fasting on designated days and finding a Mormon congregation to slip into on Sundays, no matter where he is.
Noonan has been skittish about Palin's candidacy from the get-go, though not always publicly demonstrative about her concerns.
The truth of their alliances, however is that the actual couples are Bob and Jim and Millie and Norma--and demonstrative about it they certainly are.
But we also can't pretend that there weren't a lot of people who were equally disgusted and appalled by Tim Tebow for no other reason except that he was so outwardly demonstrative about his beliefs.
A remarkable feature of the vocabulary is the great number of demonstratives, about 30 in Inupiaq and Yupik and in Aleut.
Taylor, who is usually not very demonstrative, strutted about the boxing ring and wrapped herself in the tricolor flag of Ireland.
Davidson, of course, has a demonstrative view about that as well (cf., Davidson 1968).
Table 1 summarizes demonstrative test about the effects of chemical contaminants on small nuclear noncoding RNAs.
Proposals may optionally include other supporting material as desired (such as demonstrative collateral examples, information about PR abilities, etc.).
