| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be common [prep] [noun pl] | 32 |
|
| 2 | it be common for [noun pl] | 31 |
|
| 3 | it be common for [noun pl] | 31 |
|
| 4 | it is common [prep] [noun pl] | 22 |
|
| 5 | it was common [prep] [noun pl] | 10 |
|
