| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [pron] | 510 |
|
| 2 | [indef pn] [be] [v-ing] [pron] | 387 |
|
| 3 | [indef pn] had [be] [v-ing] | 55 |
|
