attend upon (somebody)+[UK: ə.ˈtend ə.ˈpɒn ˈsʌm.bə.di] [US: ə.ˈtend ə.ˈpɑːn ˈsʌm.ˌbɑː.di]
attend on (somebody)+verb[UK: ə.ˈtend ɒn] [US: ə.ˈtend ɑːn]
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