| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i had been [verb] | 619 |
|
| 2 | i had been [v-ing] | 291 |
|
| 3 | i have been thinking | 169 |
|
| 4 | i [verb] been thinking | 169 |
|
| 5 | [pron] had been thinking | 48 |
|
| 6 | i [vb past] been thinking | 15 |
|
| 7 | i had [be] thinking | 6 |
|
| 8 | i had be thinking | 6 |
|
| 9 | i had [been] thinking | 6 |
|
| 10 | i had been think | 6 |
|
