| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [v-ing] [adv] since | 10 |
|
| 2 | [noun pl] have been [v-ing] [adv] since | 9 |
|
| 3 | have been [v-ing] [adv] since [noun prp] | 7 |
|
| 4 | have been [v-ing] [adv] since [noun] | 7 |
|
| 5 | have been [v-ing] [adv] since the | 5 |
|
| 6 | have been [v-ing] [adv] since [art] | 5 |
|
| 7 | have been [v-ing] [adv] since the | 5 |
|
| 8 | have been [v-ing] [adv] since [art] | 5 |
|
