小升初英语语法大全：时间介词辨析(下)
<p> 英语整理《小升初英语语法大全：时间介词辨析》，供大家参考学习~</p><p> 1. 表示期限等用 <span word="before">before</span>, <span word="by">by</span>, <span word="until">until</span>/<span word="till">till</span>, (<span word="from">from</span>) <span word="to">to</span>, <span word="within">within</span>, <span word="in">in</span></p><p> <span word="a">a</span>)<span word="before">before</span>与<span word="by">by</span></p><p> <span word="before">before</span> 指在之前 ：</p><p> <span word="Please">Please</span> <span word="come">come</span> <span word="before">before</span> <span word="ten">ten</span> <span word="oclock">oclock</span>. 请10点以前来。</p><p> <span word="by">by</span> 指在前(时间);截至(到)：</p><p> <span word="How">How</span> <span word="many">many</span> <span word="English">English</span> <span word="books">books</span> <span word="had">had</span> <span word="you">you</span> <span word="read">read</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="last">last</span> <span word="year">year</span>? 到去年年底以前你看过多少本英文书?</p><p> 表示在以前时，<span word="before">before</span> 与 <span word="by">by</span> 基本可通用。但 <span word="by">by</span> 还有截至为止之意：</p><p> <span word="How">How</span> <span word="many">many</span> <span word="models">models</span> <span word="have">have</span> <span word="you">you</span> <span word="made">made</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="last">last</span> <span word="month">month</span>? 截至上月底你做了多少个模型?</p><p> <span word="b">b</span>)<span word="until">until</span>/<span word="till">till</span>与<span word="to">to</span></p><p> <span word="until">until</span>/<span word="till">till</span> 指直到为止，<span word="until">until</span> 和 <span word="till">till</span> 可以通用：</p><p> <span word="until">until</span>/<span word="till">till</span> <span word="seven">seven</span> <span word="oclock">oclock</span> 直到7点</p><p> 由 <span word="until">until</span>/<span word="till">till</span> 形成的句子，句中的动词如果是短暂性动词，则必须用否定句：</p><p> <span word="Ill">Ill</span> <span word="wait">wait</span> <span word="for">for</span> <span word="him">him</span> <span word="until">until</span> <span word="he">he</span> <span word="comes">comes</span> <span word="here">here</span>. 我将在这儿一直等到他来。(<span word="wait">wait</span> 是延续动词，用肯定式)</p><p> <span word="We">We</span> <span word="didnt">didnt</span> <span word="begin">begin</span> <span word="to">to</span> <span word="watch">watch</span> <span word="TV">TV</span> <span word="until">until</span>/<span word="till">till</span> <span word="nine">nine</span> <span word="oclock">oclock</span>. 一直到九点，我们才开始看电视。(<span word="begin">begin</span> 是短暂性动词，所以用否定式)</p><p> <span word="till">till</span>/<span word="until">until</span> 常用于<span word="fromtill">fromtill</span>/<span word="until">until</span>结构中，表示一个动作的终结<span word="to">to</span> 常用在<span word="fromto">fromto</span>的结构中，用来表示一个阶段的终结。两者在这种结构中意义十分接近：</p>
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