Is "can’t help but" considered to be a confused mix of the expressions "can but" and "can’t help"? If not, what is the difference between "can help but" and "can’t help but"?
The problem is this sentence: It might not be adequate in some cases and worsen the results. Is it correct or should I write "worsens the results"? If the effect of might not is propagated to ...
Possible Duplicate: A special use of “should”? If "should" comes at the beginning of a sentence, and the sentence is not a question, then can it be replaced with "if?" Is there any ...