| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [vb infin] [pron] [prep] | 4486 |
|
| 2 | could n't [vb infin] [pron] | 3809 |
|
| 3 | could [vb infin] [pron] [prep] | 1806 |
|
| 4 | could n't [vb infin] [prep] | 1113 |
|
| 5 | could n't [pron] [prep] | 14 |
|
