| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because we do not [vb infin] | 41 |
|
| 2 | because we do not [vb infin] | 34 |
|
| 3 | because we do not know | 8 |
|
| 4 | because we did not [vb infin] | 7 |
|
| 5 | because we do not have | 6 |
|
