| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be common for [noun pl] [verb] | 18 |
|
| 2 | it be common [prep] [noun pl] [verb] | 18 |
|
| 3 | it be common for [noun pl] [verb] | 18 |
|
| 4 | it be common [prep] [noun pl] [verb] | 18 |
|
| 5 | it be common [prep] [noun pl] [to-vb] | 18 |
|
| 6 | it is common [prep] [noun pl] [verb] | 14 |
|
