| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to be [v-ing] | 1684 |
|
| 2 | [adv] [vb past] to be | 1102 |
|
| 3 | [adv] to be [v-ing] | 222 |
|
| 4 | [adv] [vb past] to [v-ing] | 57 |
|
| 5 | [adv] [vb past] be [v-ing] | 46 |
|
