| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that 's why [pron] could | 16 |
|
| 2 | [adj] 's why [pron] could | 16 |
|
| 3 | that 's why [pron] could | 16 |
|
| 4 | [det] 's why [pron] could | 16 |
|
| 5 | 's why [pron] could [adv] | 14 |
|
| 6 | 's why [pron] could not | 12 |
|
| 7 | 's why [pron] could n't | 12 |
|
| 8 | 's why [pron] could [not/n't] | 12 |
|
