| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [v-ing] a | 221 |
|
| 2 | it be well [prep] [v-ing] | 71 |
|
| 3 | be well [prep] [v-ing] a | 15 |
|
| 4 | it be well [prep] a | 10 |
|
