| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] do it [prep] [art] | 9 |
|
| 2 | could [adv] do it [prep] [art] | 9 |
|
| 3 | could [adv] do it [prep] [art] | 9 |
|
| 4 | could not do it [prep] [art] | 5 |
|
| 5 | could [adv] do it [prep] a | 5 |
|
| 6 | could n't do it [prep] [art] | 5 |
|
| 7 | could [not/n't] do it [prep] [art] | 5 |
|
