| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [pron] [modal v] [vb infin] | 428 |
|
| 2 | [is] [pers pn] [modal v] [vb infin] | 324 |
|
| 3 | [be] we [modal v] [vb infin] | 95 |
|
| 4 | [is] we [modal v] [verb] | 62 |
|
| 5 | [is] we [modal v] [vb infin] | 61 |
|
