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path: /free-resources/grammar/english-grammar-reference/can-could
'can' and 'could' | LearnEnglish
Learn about the modal verbs can and could and do the exercises to practise using them.
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Learnenglish.britishcouncil.org使用Open Sans, British Council Accent, Reenie Beanie, BritishCouncilSansW01-Headline和MrDafoe Regular作为主要字体。 Arial, Menlo, Helvetica和helvetica-neue被声明为后备字体。 检测到 13 种字体，上次检查: 2026年10月22日。
Sphinx of black quartz, judge my vow.
The quick brown fox jumps over the lazy dog. 0123456789
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font-family: 'Open Sans', sans-serif;Sphinx of black quartz, judge my vow.
The quick brown fox jumps over the lazy dog. 0123456789
font-family: 'British Council Accent', sans-serif;font-family: 'Arial', sans-serif;font-family: 'Menlo', sans-serif;Sphinx of black quartz, judge my vow.
The quick brown fox jumps over the lazy dog. 0123456789
font-family: 'Reenie Beanie', sans-serif;Sphinx of black quartz, judge my vow.
The quick brown fox jumps over the lazy dog. 0123456789
font-family: 'MrDafoe Regular', sans-serif;Sphinx of black quartz, judge my vow.
The quick brown fox jumps over the lazy dog. 0123456789
font-family: 'BritishCouncilSansW01-Headline', sans-serif;这些字体在CSS中作为备用。仅当上面的主要字体加载失败时,浏览器才会使用它们。
CSS中声明的级联字体顺序。浏览器从左到右尝试每个字体,直到找到可用的。
Learnenglish.britishcouncil.org使用Open Sans, British Council Accent, Reenie Beanie, BritishCouncilSansW01-Headline和MrDafoe Regular作为主要字体。 Arial, Menlo, Helvetica和helvetica-neue被声明为后备字体。 检测到 13 种字体，上次检查: 2026年10月22日。
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