| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] since [adj] | 51 |
|
| 2 | have been [v-ing] since [num] | 45 |
|
| 3 | has been [v-ing] since [adj] | 22 |
|
| 4 | had been [v-ing] since [adj] | 13 |
|
| 5 | have been running since [adj] | 8 |
|
| 6 | have been [v-ing] since [adj] | 7 |
|
| 7 | have been [v-ing] since 1987 | 5 |
|
| 8 | have been [v-ing] since nineteen | 5 |
|
| 9 | 've been [v-ing] since [adj] | 5 |
|
| 10 | have been [v-ing] since nineteen | 5 |
|
| 11 | have been [v-ing] since 1987 | 5 |
|
