| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] [adv prt] | 5336 |
|
| 2 | [prep] be [v-ing] [adv prt] | 636 |
|
| 3 | [prep] be [vb pp] [v-ing] | 395 |
|
| 4 | be [vb pp] [v-ing] [adv prt] | 204 |
|
