| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] that we [vb mod] | 8 |
|
| 2 | [is] [vb pp] that we [modal v] | 8 |
|
| 3 | is [vb pp] that we [modal v] | 8 |
|
| 4 | [is] [vb pp] that we [modal v] | 8 |
|
