| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] been [adj] [noun sg] | 41 |
|
| 2 | it has been [adj] [noun] | 23 |
|
| 3 | it 's been [adj] [noun] | 20 |
|
| 4 | it [vb -s] been [adj] practice | 5 |
|
| 5 | it [vb -s] been common [noun] | 5 |
|
| 6 | it [vb -s] been [adj] practice | 5 |
|
