| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was a [noun] | 5913 |
|
| 2 | it was a [noun sg] | 5719 |
|
| 3 | it be a problem | 148 |
|
| 4 | it [be] a problem | 148 |
|
| 5 | [pron] was a problem | 84 |
|
| 6 | it was [art] problem | 34 |
|
| 7 | it was [art] problem | 34 |
|
| 8 | [pers pn] was a problem | 25 |
|
| 9 | it [was/were] a problem | 22 |
|
| 10 | it was a problem | 21 |
|
| 11 | it was a problem | 21 |
|
| 12 | it was a problem | 21 |
|
