As far as I am concerned, the verb 'concentrate' needs preposition 'on' or sometimes 'in' but I found a following sentence
"I had to concentrate "to" an unbelievable level to know where my feet were."
And even my English native friend said 'to' is more natural than 'on' in this sentence.
There must be a rule. I am looking forward to your reply. Thanx
The given sentence is correct. "Concentrate" can be used with various prepositions, depending on the context. There are no set rules.
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The given sentence is correct. "Concentrate" can be used with various prepositions, depending on the context. There are no set rules. The various usage situations have to be learned by experience. Some examples:
Don't bother me, I have to concentrate on this. I have a test tomorrow.
I'm going to law school and concentrate in tax law.
The expression on his face indic
???As far as I am concerned, the verb 'concentrate' needs preposition 'on'
Yes, when the words that follow 'on' tell us the target of the concentration, the focus of attention.
I had to concentrate in order to know where my feet were.
I had to concentrate on my feet.
But we don't need 'for' to mention anything else