| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [verb] [adv] [prep] | 930 |
|
| 2 | [verb] be [v-ing] [adv] [prep] | 607 |
|
| 3 | [vb past] be [v-ing] [adv] [prep] | 433 |
|
| 4 | [vb past] [be] [v-ing] [adv] [prep] | 232 |
|
