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