| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do be [to-vb] [prep] | 114 |
|
| 2 | had do be [to-vb] | 50 |
|
| 3 | had be [to-vb] [prep] | 25 |
|
| 4 | had do be [prep] | 9 |
|
