| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] be [verb] | 1842 |
|
| 2 | [pron] [vb mod] [adv] be [v-ing] | 865 |
|
| 3 | [pers pn] [vb mod] [adv] be [v-ing] | 786 |
|
| 4 | it [vb mod] [adv] be [v-ing] | 121 |
|
| 5 | it [vb mod] [adv] [be] [v-ing] | 51 |
|
| 6 | it [vb mod] [adv] [be] [v-ing] | 51 |
|
| 7 | it [vb mod] [adv] be [v-ing] | 51 |
|
| 8 | it [vb mod] [adv] be [v-ing] | 51 |
|
| 9 | it [modal v] [adv] be [v-ing] | 51 |
|
