maybe if I stdied science,and not literature four years ago I would be able to give more help.单句改错
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![maybe if I stdied science,and not literature four years ago I would be able to give more help.单句改错](/uploads/image/z/12541329-9-9.jpg?t=maybe+if+I+stdied+science%2Cand+not+literature+four+years+ago+I+would+be+able+to+give+more+help.%E5%8D%95%E5%8F%A5%E6%94%B9%E9%94%99)
maybe if I stdied science,and not literature four years ago I would be able to give more help.单句改错
maybe if I stdied science,and not literature four years ago I would be able to give more help.单句改错
maybe if I stdied science,and not literature four years ago I would be able to give more help.单句改错
Maybe if I had stdied science,not literature four years ago I would be able to give more help.
虚拟语气中if引导的从句所描述的事情如果是与过去的事实相反,用过去完成时,所以studied前面要加上had.
这句话的主句部分(即后半部分)所描述的事情与现在的情况相反,要用would+动词原形,所以这里不用改动.
这句话的主句是对现在的虚拟,从句却是对过去的虚拟,这叫错综条件句.
and-->but.
be-->have been
studied 拼写有误
Maybe if I studied science but not literature four years ago, I would have been able to give more help
Maybe if I studied science,and not literature four years ago, I would [have been] able to give more help.