| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [v-ing] to [be] | 1283 |
|
| 2 | it [is] [verb] to [be] | 1116 |
|
| 3 | it [is] [v-ing] [prep] [be] | 1041 |
|
| 4 | it [be] [v-ing] to [be] | 928 |
|
| 5 | [pers pn] [is] [v-ing] to [be] | 898 |
|
| 6 | it [is] [v-ing] [prep] [be] | 694 |
|
| 7 | it [is] [v-ing] to [be] | 694 |
|
| 8 | it [is] [v-ing] to [be] | 694 |
|
