| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] [pron] [pron] [vb mod] [verb] | 420 |
|
| 2 | [det] [be] [pron] [pron] [vb mod] [vb infin] | 407 |
|
| 3 | [adj] [is] [pron] [pron] [vb mod] [vb infin] | 381 |
|
| 4 | [det] [is] [pron] [pron] [modal v] [vb infin] | 378 |
|
