| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] when it [verb] | 104 |
|
| 2 | a [noun sg] when it [verb] | 103 |
|
| 3 | a [noun] when it [verb] | 85 |
|
| 4 | a [noun] when it [vb -s] | 70 |
|
| 5 | a [noun] when it come | 49 |
|
| 6 | a [noun] when it comes | 37 |
|
| 7 | a [noun] when it [vb past] | 33 |
|
| 8 | an [noun] when it [verb] | 19 |
|
| 9 | a [noun] when it came | 11 |
|
| 10 | a [noun] when it have | 6 |
|
| 11 | a [noun] when it happen | 5 |
|
