For many teachers weak forms seem unimportant, since they believe that you can be understood if your speech uses only strong forms, although you might sound rather emphatic and unnatural. However, here are some examples of sentences in which the choice of a strong form instead of a weak form actually changes the meaning; these might be called weak-form minimal pairs.
Further contributions would be welcome. Page compiled by John Higgins, and last updated 10 October, 2002.
He's going to fast. /tə/ ... not to eat. He's going too fast. /tu/ ... at excessive speed.
The speaker asked for questions. /fə/ The speaker said "Are there any questions?" The speaker asked four questions. /fɔ/ The speaker said "Can socialism work? Has it ever worked? Will it work for this country? Why, then, should you elect a socialist government?"
She showed me the photos she had taken. /əd/ She used her own camera. She showed me the photos she had taken. /hæd/ She used a professional photographer.
I know that cheese is expensive. /ðət/ ... all kinds of cheese ... I know that cheese is expensive. /ðæt/ ... the cheese I am pointing at ...
My father was killed in a train accident. My sister was two. /wəz/ My sister was two years old. My father was killed in a train accident. My sister was, too. /wɒz/ My sister was also killed then.
[Those books are terrible.] Some of them are all right. /ər/ Disagreeing. .... Some of them are, all right. /ɑr/ Agreeing.