| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [adv] [prep] | 371 |
|
| 2 | [be] [v-ing] [adv] [prep] this | 160 |
|
| 3 | had [be] [v-ing] [prep] this | 14 |
|
