► I’m afraid so
‘Is she very ill?’ ‘I’m afraid so (=yes).’ ► I’m afraid not
‘Did you see him?’ ‘I’m afraid not (=no).’ ► I’m blowed
Well, I’m blowed! ► If ... then I’m a Dutchman
If that ball was out, then I’m a Dutchman. ► I’m fine (thanks/thank you) spoken (=used when telling someone that you do not want any more when they offer you something)
‘More coffee?’ ‘No, I’m fine, thanks.’ ► if I’m not mistaken
We bought the rug in Turkey, if I’m not mistaken. ► I’m a bit short British English spoken (=I haven’t got much money at the moment)