| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] prior to [verb] | 18 |
|
| 2 | be [verb] prior to [v-ing] | 18 |
|
| 3 | be [verb] prior to [verb] | 18 |
|
| 4 | be [verb] prior to [verb] | 7 |
|
