| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] as [v-ing] [adv prt] | 13 |
|
| 2 | be [vb pp] when [v-ing] [adv prt] | 7 |
|
| 3 | be [vb pp] [subord] [v-ing] up | 6 |
|
| 4 | be seen [subord] [v-ing] [adv prt] | 6 |
|
