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Suppose to? or Supposed to?

This 5 Minute Grammar Lesson is another example of speech interfering with writing. It sounds like we say suppose to when we speak because we don’t enunciate every letter in all our words.\

Suppose to or Supposed to ~ 5 minute grammar lesson

But…in writing… it’s not ok to leave the D off the end. I was supposed to go to bed early. I was supposed to clean my house today. I was supposed to turn off the lights when I left the room. I was supposed to have done five loads of laundry. I suppose, I was supposed to have had only one glass of wine with dinner. But I was thinking of all the things I was supposed to have done today, and needed a second glass of wine.

It’s never SUPPOSE TO in writing, always SUPPOSED TO.

And that’s the 5 Minute Grammar lesson! Bloggers – you are supposed to check your posts for this mistake! And have a great weekend. 🙂


  1. Ah, yes, just like use to and used to! But dare I ask why you sometimes use the infintive after this construction ('supposed to clean') and sometimes the perfect ('supposed to have done laundry')? Would there be a shift in meaning if you said 'I was supposed to clean, I was supposed to do laundry'?
    • I think it's a subtle shift in meaning - rather than I was just supposed to do laundry, I take it to mean I was supposed to have FINISHED the laundry. But it just sounds right to me, which is why I did it. I could be completely wrong though. :-)

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