| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] common for [art] | 13 |
|
| 2 | it is [adv] common for [art] | 12 |
|
| 3 | it is quite common for [art] | 5 |
|
| 4 | it is quite common for [art] | 5 |
|
| 5 | it is common for [art] [noun] | 13 |
|
| 6 | it is common for [art] [noun sg] | 10 |
|
