| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [noun] | 5244 |
|
| 2 | is [Wh adv] [noun] | 832 |
|
| 3 | [be] when [noun] | 297 |
|
| 4 | be when [noun] | 296 |
|
| 5 | [is] when [noun] | 136 |
|
| 6 | is when [noun] | 91 |
|
