"since that moment" is normally used with the present perfect tense and means all the time from then until now. "from that moment" is normally used with past tense and doesn't have such a definite "until now" sense. "from" may therefore be more suitable in the case where the present state is unknown or irrelevant, or for describing events occurring to fictional characters in past-tense narratives.
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GPY"from that moment" is normally used with past tense and doesn't have such a definite "until now" sense.Probably I should have said that when it is used with the past tense it doesn't have such a definite "until now" sense. When used with the past perfect it is similar in meaning to "since that moment".
AnonymousHe isn't moving forwards. He's moving backwards from/since where he was a few years ago. He used to be a good player and not only has he not progressed but he has regressed.It would have to be "from". "since" does not make sense here.
AnonymousWith 'Since when' do you use the 'present perfect' or the 'past'Is it correct t
AnonymousBut to me 'Since when did you start smoking' doesn't sound right or natural or am I mistaken?Common: I am surprised that you smoke now.
AnonymousIs it a natural sequence or was it just the best choice between the 2?He's moving backwards from where...It's OK in ordinary English. (It might not be ideal in very elegant formal writing.)
AnonymousI know it is correct to saySince when do you smoke?or Since when have to started smoking?"Since when do you smo
AnonymousA typo sorry 'Since when have you started smoking?' Is this correct now?Is this conversational to you or wrong in British English?Since when did you start smoking?Have a good day"Since when have you started smoking?" and "Since when did you start smoking?" both seem OK to me. Remember that this is an informal conversational pattern that has connotati