| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] | 21336 |
|
| 2 | could not [vb infin] | 21316 |
|
| 3 | could n't [verb] | 12359 |
|
| 4 | could not [verb] | 8977 |
|
| 5 | could not have | 1781 |
|
| 6 | could not have | 1779 |
|
| 7 | could not get | 1102 |
|
| 8 | could not get | 1101 |
|
| 9 | could not see | 1033 |
|
| 10 | could not see | 1033 |
|
| 11 | could not believe | 714 |
|
| 12 | could not believe | 714 |
|
| 13 | could not help | 712 |
|
| 14 | could not help | 712 |
|
| 15 | could not do | 660 |
|
| 16 | could not do | 657 |
|
| 17 | could not afford | 601 |
|
| 18 | could not afford | 601 |
|
| 19 | could not find | 510 |
|
| 20 | could not find | 510 |
|
| 21 | could not understand | 425 |
|
| 22 | could not understand | 425 |
|
| 23 | could not bear | 382 |
|
| 24 | could not bear | 382 |
|
| 25 | could not go | 369 |
|
| 26 | could not go | 368 |
|
| 27 | could not tell | 353 |
|
| 28 | could not tell | 353 |
|
| 29 | could not remember | 349 |
|
| 30 | could not remember | 349 |
|
