| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [be] | 123493 |
|
| 2 | is [pron] [be] | 1403 |
|
| 3 | is [pron] [modal v] | 579 |
|
| 4 | is [modal v] [be] | 57 |
|
