tinanam0102 1. Why is not "focusing on"? It could have been on instead of in , but I think the writer was thinking like this: The on phrase after focus tells the thing that receives the attention of the focus.
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tinanam01021. Why is not "focusing on"?It could have been on instead of in, but I think the writer was thinking like this:
tinanam0102focusing on their search effortsNo.
tinanam0102Is the second example in each group not grammaticalYes, that's correct. The second in each pair is ungrammatical.
tinanam0102In this formula, are they meant the same?Yes. 'focus on Fred'
Let's focus on Fred and discuss his progress.
Let's focus our attention on Fred and discuss his progress.
AnonymousDoes the prepositional phrase "on Fred" function as an adverbial here?I suppose you could say that. I don't know what else it could function as. It's not a verb or noun or adjective phrase, so by the process of elimination it's adverbial.