| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [prep] | 1920 |
|
| 2 | had [be] [v-ing] [prep] | 1919 |
|
| 3 | had [be] [verb] since | 170 |
|
| 4 | have [be] [v-ing] since | 145 |
|
| 5 | [verb] [be] [v-ing] since | 145 |
|
| 6 | [vb past] [be] [v-ing] since | 54 |
|
| 7 | had [be] [v-ing] since | 49 |
|
