| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is a [noun] | 4533 |
|
| 2 | it is a [noun sg] | 4448 |
|
| 3 | [pron] is a problem | 199 |
|
| 4 | it be a problem | 148 |
|
| 5 | it [be] a problem | 148 |
|
| 6 | it [is] a problem | 123 |
|
| 7 | it is [art] problem | 63 |
|
| 8 | it is [art] problem | 63 |
|
| 9 | [pers pn] is a problem | 60 |
|
| 10 | it is a problem | 55 |
|
| 11 | it is a problem | 55 |
|
| 12 | it is a problem | 55 |
|
