| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] since | 11 |
|
| 2 | it have be since | 11 |
|
| 3 | it have been since | 11 |
|
| 4 | it have [be] since | 11 |
|
| 5 | it had [be] since | 7 |
|
