| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when we [vb base] a [noun sg] | 80 |
|
| 2 | when we [vb base] a [noun sg] | 70 |
|
| 3 | when we have a [noun sg] | 16 |
|
| 4 | when we [vb base] an [noun sg] | 10 |
|
