| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be sure | 84 |
|
| 2 | could be right | 58 |
|
| 3 | could be wrong | 55 |
|
| 4 | could be dangerous | 54 |
|
| 5 | could be due | 54 |
|
| 6 | could be useful | 53 |
|
| 7 | could be responsible | 29 |
|
| 8 | could be true | 27 |
|
| 9 | could be important | 27 |
|
| 10 | could be helpful | 25 |
|
| 11 | could be liable | 24 |
|
| 12 | could be difficult | 23 |
|
| 13 | could be good | 23 |
|
| 14 | could be involved | 23 |
|
| 15 | could be free | 22 |
|
| 16 | could be certain | 20 |
|
| 17 | could be other | 19 |
|
| 18 | could be different | 18 |
|
| 19 | could be available | 17 |
|
| 20 | could be ready | 17 |
|
| 21 | could be disastrous | 17 |
|
| 22 | could be considerable | 17 |
|
| 23 | could be serious | 16 |
|
| 24 | could be crucial | 15 |
|
| 25 | could be interesting | 15 |
|
| 26 | could be dead | 15 |
|
| 27 | could be alone | 14 |
|
| 28 | could be satisfied | 13 |
|
| 29 | could be bad | 13 |
|
| 30 | could be guilty | 13 |
|
