| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [noun sg] | 881 |
|
| 2 | been [v-ing] since | 154 |
|
| 3 | [v-ing] [noun sg] since | 24 |
|
| 4 | been [noun sg] since | 15 |
|
