| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i had been [verb] [prep] | 232 |
|
| 2 | i had been [v-ing] [prep] | 100 |
|
| 3 | i [verb] been doing [prep] | 17 |
|
| 4 | [pron] had been doing [prep] | 17 |
|
| 5 | i have been doing [prep] | 17 |
|
| 6 | i [vb past] been doing [prep] | 6 |
|
| 7 | i had been do [prep] | 5 |
|
| 8 | i had be doing [prep] | 5 |
|
| 9 | i had [be] doing [prep] | 5 |
|
| 10 | i had [been] doing [prep] | 5 |
|
