| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [pron] [modal v] [vb infin] | 758 |
|
| 2 | [be] [conj] it [modal v] [vb infin] | 264 |
|
| 3 | be [conj] it [modal v] [vb infin] | 264 |
|
| 4 | [is] [conj] it [modal v] [vb infin] | 190 |
|
| 5 | is [conj] it [modal v] [verb] | 190 |
|
