punctuation
What''s the difference between a single and a double quotation mark in English? I''ve heard that it only depends on where you live the US (for double quotation mark) or the UK and Australia (for
1 "What is a difference between X and Y?" is also grammatical, but it means something that one hardly ever wants to say: the speaker has deliberately refused to indicate how many
When you think that there are more than one unlike events involved, use plural. For example: Are there any differences? If you talk about one particular What is the major difference?
But even knowing that there are, technically, multiple differences, unless the person asking the question is doing so as a kind of quiz or they are deliberately calling attention to the plural
What are the differences between a circle and a sphere? I know, that we use article a to speak about single countable noun, and also single countable noun mentioned for the first time, or speak about
As you say, the differences between "when" and "as" can be subtle, but nevertheless distinct. "When" implies a particular moment in time, and "as" implies concurrent action -- which is to say, a distinct
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