| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [v-ing] [adv prt] | 1184 |
|
| 2 | [vb mod] be [v-ing] in | 581 |
|
| 3 | [vb mod] be [adv prt] in | 399 |
|
| 4 | be [v-ing] [adv prt] in | 91 |
|
