| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] for | 496 |
|
| 2 | had [adv] [be] [v-ing] | 378 |
|
| 3 | [adv] [be] [v-ing] for | 227 |
|
| 4 | had [adv] [be] for | 17 |
|
