| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] due [to-vb] [prep] | 252 |
|
| 2 | which [was/were] [to-vb] [prep] | 108 |
|
| 3 | which [was/were] due [to-vb] | 45 |
|
| 4 | which [was/were] due [prep] | 42 |
|
