| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [prep] | 1920 |
|
| 2 | that [be] [v-ing] [prep] | 582 |
|
| 3 | that had [be] [v-ing] | 132 |
|
| 4 | that had [be] [prep] | 59 |
|
