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Anonymous Posted 9 years ago
Grammar

MUST HAVE or MUST HAS

mam i have a doubt ... Should MUST always follow HAVE.. Eg: That must HAVE been difficult for you.. why can't we use HAS in place of HAVE ?? since That is a singular..

  

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anonymous mam i have a doubt ... Should MUST HAVE always follow HAVE MUST .. Eg: That must HAVE been difficult for you..

  • anonymous mam i have a doubt ...
  • Should MUST HAVE always follow HAVE MUST ..
  • Eg: That must HAVE been difficult for you..
  • why can't we use HAS in place of HAVE ??
  • since That is a singular..
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1 Answers
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anonymous

mam i have a doubt ... Should MUST HAVE always follow HAVE MUST.. Eg: That must HAVE been difficult for you.. why can't we use HAS in place of HAVE ?? since That is a singular..

Modal verbs (may, might, must, can, could, etc.) can only

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