*) Sắp xếp
/id/ : painted , needed , visited , learned, rented , invited.
/t/ : wrapped , looked , watched , helped , practiced , stopped , worked , talked , liked , washed.
/d/ : listened , raised , rained , opened , seemed , remembered , arrived , lived , received.
*) Sắp xếp theo các cách phát âm 3 cột sau :
1. Did you spend
2. Went
3. Did you see
4. Saw
5. Did you buy
6. Bought/got/enjoyed