| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] for they | 178 |
|
| 2 | it be convenient for [pron] | 9 |
|
| 3 | it [be] convenient for they | 5 |
|
| 4 | [pron] be convenient for they | 5 |
|
| 5 | it be convenient [prep] they | 5 |
|
