| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] [to-vb] for | 58 |
|
| 2 | had [been] [v-ing] [to-vb] [prep] | 40 |
|
| 3 | have [been] [v-ing] [to-vb] for | 34 |
|
| 4 | [verb] [been] [v-ing] [to-vb] for | 34 |
|
| 5 | had [been] [v-ing] [verb] for | 15 |
|
| 6 | had [be] [v-ing] [to-vb] for | 14 |
|
| 7 | [vb past] [been] [v-ing] [to-vb] for | 14 |
|
