| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] [adv prt] | 636 |
|
| 2 | [to] be [verb] [adv prt] | 81 |
|
| 3 | [to] be [v-ing] [adv] | 45 |
|
| 4 | [to] [be] [v-ing] [adv prt] | 25 |
|
