Aug 3rd, 2009, 08:35 am
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Join Date: Mar 12th, 2009
| | not ...by /not...until
Could someone please explain to me the difference between by and until in negative statements like these ones?
A- I didn't get up by nine o'clock.
B- I didn't get up until nine o'clock.
C- He won't be back by Friday.
D- He won't be back until Friday.
E- They won't publish my book by March.
F- They won't publish my book until March.
G- I won't work by the age of 30.
H- I won't work until the age of 30.
Thanks a lot.