| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there be occasion when [noun] | 15 |
|
| 2 | [ex0] be occasion when [noun] | 15 |
|
| 3 | [ex0] be occasions when [noun] | 15 |
|
| 4 | [ex0] were occasion when [noun] | 8 |
|
| 5 | [ex0] are occasion when [noun] | 7 |
|
| 6 | [ex0] be occasion when [noun prp] | 6 |
|
| 7 | [ex0] be occasion when [noun sg] | 5 |
|
