| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [verb] [verb] to | 63 |
|
| 2 | had [be] [verb] [v-ing] [prep] | 61 |
|
| 3 | [verb] [be] [verb] [v-ing] to | 43 |
|
| 4 | have [be] [verb] [v-ing] to | 39 |
|
| 5 | [vb past] [be] [verb] [v-ing] to | 8 |
|
