| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv prt] | 48295 |
|
| 2 | be [v-ing] [adv prt] | 20897 |
|
| 3 | be [vb pp] [v-ing] | 5197 |
|
| 4 | [vb pp] [v-ing] [adv prt] | 552 |
|
