The phrase "alternatively he was" is correct and usable in written English.
It can be used to present an alternative option or scenario regarding a subject, typically in a discussion or argument.
Example: "The project could be completed by the end of the month; alternatively, he was considering extending the deadline for better results."
Alternatives: "on the other hand, he was" or "in another scenario, he was".
You're Beautiful is typical of his charming oeuvre - lovely, lilting, slightly folksy, catchy as a summer cold, very Radio 2. Alternatively, he's Damien Rice but with nicer hair.
Alternatively, he's branched out from Ayn Rand, and is now also listening to this guy: People assume that time is a strict progression of cause to effect, but actually — from a non-linear, non-subjective viewpoint — it's more like a big ball of wibbly-wobbly… timey-wimey… stuff.
Alternatively, he may be being accurate.
One may take these and other examples as evidence that Reichenbach did not have in mind instances of what is now called the causal Markov condition that conditional on its relatively direct causes a variable is independent of variables that are not its effects—or, alternatively, that he was simply confused about the properties of "colliders"—common effects—in causal graphs.
Alternatively, he might be assuming that the three will be found guilty.
Or alternatively, when he's fed up with someone, he'll abandon the interview midstream.
Alternatively, if he is able to make progress in enacting two of the most significant domestic achievements in years — health care and immigration reform — while presiding over an economy recovering from the worst crisis since the Depression and the ending of two wars, the question might be: Which coin or dollar denomination will eventually bear his likeness?
Alternatively, perhaps he's doing the Russian president's bidding.
(Alternatively, if he were the coach of the Leafs, he would have been given a two-year contract extension).
Alternatively, if he is engaged in the practice of medicine while advising his colleagues and others, he may find investigators pursuing a set of questions having nothing to do with Senator Ensign: namely, how extensive is Dr. Coburn's conduct of this nature within the District of Columbia, where he does not appear to hold a license to practice medicine?
Alternatively, he may be well aware of the specific and tragic past occasions on which he has heard the galliard, perhaps being able to give detailed affective, temporal, and contextual information about those past experiences, and perhaps even to use this knowledge to work through the revived emotions.
