| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is that [pron] has been | 36 |
|
| 2 | is [conj] it has been | 20 |
|
| 3 | be that it has been | 13 |
|
| 4 | [be] that it has been | 13 |
|
| 5 | is that it has [be] | 11 |
|
| 6 | [is] that it has been | 11 |
|
| 7 | is that it has be | 11 |
|
| 8 | is that it have been | 11 |
|
| 9 | is that it [vb -s] been | 11 |
|
| 10 | is that it has [been] | 11 |
|
| 11 | is that it [verb] been | 11 |
|
