| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because we do n't [vb infin] | 86 |
|
| 2 | because we [vb base] n't have | 27 |
|
| 3 | because we [vb base] n't want | 20 |
|
| 4 | because we [vb base] n't know | 16 |
|
