| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i 've been [v-ing] about [det] | 16 |
|
| 2 | i have been thinking about [det] | 12 |
|
| 3 | i have been [v-ing] about this | 8 |
|
| 4 | i have been [v-ing] about that | 7 |
|
