| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] be [v-ing] | 606 |
|
| 2 | [adv] be [v-ing] to | 339 |
|
| 3 | had [adv] be to | 132 |
|
| 4 | had be [v-ing] to | 118 |
|
