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Wehavehadfourtextsthissemester.6.havebeento和havegoneto的区别--Shehasgonetothehospital.-她-去医院了。Hehasalreadyobtainedascholarship.Ihaventseenmuchofhimrecently(lately).Wehaveseenthatfilmbefore.2Ihaveusedthispenonlythreetimes.Itisstillgood.Georgehasmetthatgentlemanseveraltimes.3.现在完成时还往往可以同包括现在时间在内的时间状语连用如uptothesefewdays/weeks/months/years,just,upto,present(now),so...
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