高中英语 语法精讲（Unit13 Healthy eating）人教版
<p> 语法精讲<span word="Modal">Modal</span> <span word="Verbs">Verbs</span>(1)情态动词—<span word="had">had</span> <span word="better">better</span>,<span word="should">should</span>,<span word="ought">ought</span> <span word="to">to</span></p><p> 1.<span word="had">had</span> <span word="better">better</span></p><p> 1)<span word="had">had</span> <span word="better">better</span>无人称和数的变化，后接不带<span word="to">to</span>的动词不定式，表“义务”或“建议”，语气比<span word="should">should</span> 或<span word="ought">ought</span> <span word="to">to</span>更委婉。常译作“最好……”“还是……好”等，可用于第一、二、三人称。否定式为<span word="had">had</span> <span word="better">better</span> <span word="no">no</span>...,疑问式为<span word="Had">Had</span> <span word="I">I</span>/<span word="you">you</span> <span word="better">better</span>...?否定疑问式为<span word="Had">Had</span>+<span word="sb">sb</span>.+<span word="better">better</span> <span word="not">not</span>...?或<span word="Hadn">Hadn</span>’<span word="t">t</span>+<span word="sb">sb</span>.+<span word="better">better</span>...?</p><p> <span word="We">We</span>/<span word="You">You</span>/<span word="He">He</span> <span word="had">had</span> <span word="better">better</span> <span word="write">write</span> <span word="it">it</span> <span word="down">down</span>.</p><p> 我们/你/他最好把它记下来。</p><p> <span word="You">You</span> <span word="had">had</span> <span word="better">better</span> <span word="not">not</span> <span word="ask">ask</span> <span word="her">her</span> <span word="about">about</span> <span word="it">it</span>.</p><p> 你最好不要问她那件事。</p><p> —<span word="Had">Had</span> <span word="you">you</span></p><p> <span word="better">better</span> <span word="go">go</span> <span word="at">at</span> <span word="once">once</span>?</p><p> —<span word="Yes">Yes</span>,<span word="we">we</span> <span word="had">had</span> <span word="better">better</span>.</p><p> <span word="No">No</span>,<span word="we">we</span>’<span word="d">d</span> <span word="better">better</span> <span word="not">not</span>.</p><p> 2)<span word="had">had</span> <span word="better">better</span>的祈使句形式为<span word="Better">Better</span> <span word="do">do</span> <span word="sth">sth</span>.。</p><p> <span word="Better">Better</span> <span word="get">get</span> <span word="up">up</span> <span word="at">at</span> <span word="once">once</span>.</p><p> 你最好立刻起床。</p><p> 3）<span word="had">had</span> <span word="better">better</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span>.用于事后的建议，含轻微责备的口吻，意为“当时最好做了某事”，其否定式<span word="had">had</span> <span word="better">better</span> <span word="not">not</span> <span word="have">have</span> <span word="done">done</span>表达相反的含义。</p><p> <span word="You">You</span> <span word="had">had</span> <span word="better">better</span> <span word="have">have</span> <span word="started">started</span> <span word="earlier">earlier</span>.</p><p> 你当时最好早点出发。</p><p> <span word="You">You</span> <span word="had">had</span> <span word="better">better</span> <span word="not">not</span> <span word="have">have</span> <span word="scolded">scolded</span> <span word="her">her</span>.</p><p> 你当时没责备她就好了。 </p><p> 2.<span word="should">should</span></p>
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