| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because they do n't | 264 |
|
| 2 | because they [vb base] n't | 228 |
|
| 3 | because they do n't | 193 |
|
| 4 | because they [vb past] n't | 91 |
|
| 5 | because they did n't | 71 |
|
| 6 | because they have n't | 55 |
|
| 7 | because they have n't | 35 |
|
| 8 | because they had n't | 20 |
|
