2016年中考英语词组辨析：can/ be able to
<p> Ⅰ. <span word="can">can</span> “能”表过去或现在“能力所及”时，与<span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 通用。如：</p><p> ① <span word="He">He</span> <span word="can">can</span> / <span word="is">is</span> <span word="able">able</span> <span word="to">to</span> <span word="speak">speak</span> <span word="German">German</span>. 他会说德语。</p><p> ② <span word="He">He</span> <span word="could">could</span> / <span word="was">was</span> <span word="able">able</span> <span word="to">to</span> <span word="run">run</span> <span word="very">very</span> <span word="fast">fast</span> <span word="when">when</span> <span word="I">I</span> <span word="was">was</span> <span word="a">a</span> <span word="boy">boy</span>. 我小时候就跑得很快。</p><p> Ⅱ. <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 的过去时还可表一种“经过努力做到了”的意思。而<span word="can">can</span>的过去时则没有这种意义。如：</p><p> <span word="He">He</span> <span word="started">started</span> <span word="late">late</span>, <span word="but">but</span> <span word="he">he</span> <span word="was">was</span> <span word="able">able</span> <span word="to">to</span> <span word="catch">catch</span> <span word="the">the</span> <span word="eight">eight</span> <span word="o">o</span>’<span word="clock">clock</span> <span word="train">train</span>. 他出发晚了，但他还是赶上了八点钟的火车。</p><p> Ⅲ.<span word="can">can</span> 通常只用于上述两种时态，而<span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 则可用于各种时态。如：</p><p> <span word="He">He</span> <span word="has">has</span> <span word="not">not</span> <span word="been">been</span> <span word="able">able</span> <span word="to">to</span> <span word="come">come</span> <span word="since">since</span> <span word="he">he</span> <span word="got">got</span> <span word="hurt">hurt</span>. 自从受伤以后，他就一直未能前来。</p><p> Ⅳ. 在表猜测时，只能用<span word="can">can</span>，而不能用<span word="be">be</span> <span word="able">able</span> <span word="to">to</span> ，如：</p><p> <span word="That">That</span> <span word="can">can</span>’<span word="t">t</span> <span word="be">be</span> <span word="your">your</span> <span word="bag">bag</span>. 那不可能是你的书包。</p>
页:
[1]