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Modal auxiliary verbs are a special type of auxiliary verb, used mainly to express ability, likelihood, permission, and obligation. These include 'will', 'would', 'can', 'could', 'shall', 'should', 'may', 'might', 'must', 'ought', 'need', and 'dare'. Please do not use this tag for the non-modal auxiliaries 'be', 'have', or 'do'.
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A question about modal verb "can"
The World Wide Web is sometimes jokingly called the World Wide Wait because it can be very slow.
Peter can be really difficult at times even though he’s a nice person in general.
I think in the abov …
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2
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modal word "can"
When the modal word "can" is used to express possibility, it is used to express general possibility or theoretical possibility rather than specific possibility(http://www.englishpage.com/modals/can.ht …
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When "could" is used to indicate an ability in the past
I could swim when I was five.
When "could" is used to indicate an ability in the past, does it mean the ability is no longer processed in the present? For example, does the above sentence mean "I …
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2
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might have done
The explosion might have been caused by a gas leak.
I think the sentence may be understood in two ways.
First: the explosion was possibily caused by a gas leak even though it did not happen.
Second: …
2
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answer
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An understanding of "No one could be more generous"
No one could be more generous; he has a heart of gold.
Does the sentence mean "he is the most generous person I've ever met" or "he is very generous"?