语法：情态动词的过去式
<p>英语小测验语法：情态动词的过去式 英语中情态动词，比如：<span word="can">can</span>(<span word="could">could</span>)，<span word="may">may</span>(<span word="might">might</span>)，<span word="must">must</span>，<span word="should">should</span> 等等，虽然数量不多，但用途广泛。情态动词的过去式可以帮助说话的人表达对过去的推测外，还可表示过去没有实现的可能性（即某事本来可以发生，却没发生）。快来挑战一下你对情态动词的理解吧。</p><p>1. <span word="I">I</span>’<span word="m">m</span> <span word="not">not</span> <span word="surprised">surprised</span> <span word="he">he</span>’<span word="s">s</span> <span word="angry">angry</span> <span word="with">with</span> <span word="you">you</span>. <span word="You">You</span> ____________ <span word="his">his</span> <span word="laptop">laptop</span> <span word="with">with</span> <span word="asking">asking</span> <span word="yesterday">yesterday</span>.</p><p><span word="a">a</span>) <span word="shouldn">shouldn</span>’<span word="t">t</span> <span word="have">have</span> <span word="borrowed">borrowed</span></p><p><span word="b">b</span>) <span word="shouldn">shouldn</span>’<span word="t">t</span> <span word="borrow">borrow</span></p><p><span word="c">c</span>) <span word="couldn">couldn</span>’<span word="t">t</span> <span word="borrow">borrow</span></p><p><span word="d">d</span>) <span word="might">might</span> <span word="not">not</span> <span word="have">have</span> <span word="borrowed">borrowed</span></p><p>2. <span word="I">I</span>’<span word="m">m</span> <span word="surprised">surprised</span> <span word="she">she</span>’<span word="s">s</span> <span word="not">not</span> <span word="at">at</span> <span word="home">home</span>. <span word="She">She</span> ____________ <span word="work">work</span> <span word="an">an</span> <span word="hour">hour</span> <span word="ago">ago</span>.</p><p><span word="a">a</span>) <span word="should">should</span> <span word="leave">leave</span></p><p><span word="b">b</span>) <span word="ought">ought</span> <span word="to">to</span> <span word="leave">leave</span></p><p><span word="c">c</span>) <span word="may">may</span> <span word="have">have</span> <span word="left">left</span></p><p><span word="d">d</span>) <span word="ought">ought</span> <span word="to">to</span> <span word="have">have</span> <span word="left">left</span></p><p>3. <span word="I">I</span> <span word="wish">wish</span> <span word="I">I</span>’<span word="d">d</span> <span word="never">never</span> <span word="told">told</span> <span word="him">him</span> <span word="my">my</span> <span word="secret">secret</span>. <span word="He">He</span> ____________ <span word="anyone">anyone</span> <span word="or">or</span> <span word="I">I</span>’<span word="ll">ll</span> <span word="be">be</span> <span word="really">really</span> <span word="angry">angry</span>.</p><p><span word="a">a</span>) <span word="had">had</span> <span word="better">better</span> <span word="not">not</span> <span word="have">have</span> <span word="told">told</span></p><p><span word="b">b</span>) <span word="must">must</span> <span word="have">have</span> <span word="told">told</span></p><p><span word="c">c</span>) <span word="would">would</span> <span word="not">not</span> <span word="have">have</span> <span word="told">told</span></p><p><span word="d">d</span>) <span word="should">should</span> <span word="have">have</span> <span word="told">told</span></p><p>4. <span word="It">It</span> ____________ <span word="who">who</span> <span word="broke">broke</span> <span word="the">the</span> <span word="equipment">equipment</span>. <span word="I">I</span> <span word="wasn">wasn</span>’<span word="t">t</span> <span word="in">in</span> <span word="the">the</span> <span word="lab">lab</span> <span word="that">that</span> <span word="day">day</span>.</p><p><span word="a">a</span>) <span word="could">could</span> <span word="have">have</span> <span word="been">been</span> <span word="me">me</span></p><p><span word="b">b</span>) <span word="must">must</span> <span word="have">have</span> <span word="been">been</span> <span word="me">me</span></p><p><span word="c">c</span>) <span word="couldn">couldn</span>’<span word="t">t</span> <span word="have">have</span> <span word="been">been</span> <span word="me">me</span></p><p><span word="d">d</span>) <span word="mightn">mightn</span>’<span word="t">t</span> <span word="have">have</span> <span word="been">been</span> <span word="me">me</span></p><p>5. <span word="I">I</span>’<span word="m">m</span> <span word="sure">sure</span> <span word="he">he</span>’<span word="s">s</span> <span word="not">not</span> <span word="ignoring">ignoring</span> <span word="you">you</span>. <span word="It">It</span>’<span word="s">s</span> <span word="possible">possible</span> <span word="that">that</span> <span word="he">he</span> ____________ <span word="you">you</span> <span word="yesterday">yesterday</span>.</p><p><span word="a">a</span>) <span word="could">could</span> <span word="have">have</span> <span word="seen">seen</span> <span word="you">you</span></p>
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