| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a case of [pron] | 14 |
|
| 2 | it [be] a case of [pron] | 14 |
|
| 3 | it be a case of [pron] | 14 |
|
| 4 | it [be] a case of [pron] | 14 |
|
| 5 | it [is] a case of [pron] | 10 |
|
| 6 | it 's a case of [pron] | 8 |
|
| 7 | it [be] a case of [pers pn] | 6 |
|
| 8 | it [be] a case of [Wh det] | 5 |
|
| 9 | it [be] a case of what | 5 |
|
| 10 | it [be] a case of what | 5 |
|
