| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [art] [noun] | 21381 |
|
| 2 | [is] [Wh adv] [art] [noun] | 1249 |
|
| 3 | [be] when [art] [noun] | 317 |
|
| 4 | [is] when [art] [noun] | 199 |
|
