| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] [adv prt] [prep] | 1002 |
|
| 2 | [pron] be [verb] [adv prt] at | 368 |
|
| 3 | it be [verb] [adv] at | 105 |
|
| 4 | it [be] [verb] [adv prt] at | 65 |
|
