| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] be [v-ing] | 606 |
|
| 2 | [adv] be [v-ing] [det] | 367 |
|
| 3 | had be [v-ing] [det] | 176 |
|
| 4 | had [adv] be [det] | 143 |
|
