| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] practice | 153 |
|
| 2 | it be [adj] practice | 148 |
|
| 3 | it is [adj] practice | 109 |
|
| 4 | it be common practice | 50 |
|
| 5 | it be common practice | 50 |
|
| 6 | it be good practice | 35 |
|
| 7 | it be good practice | 32 |
|
| 8 | it was [adj] practice | 30 |
|
| 9 | it be normal practice | 24 |
|
| 10 | it be normal practice | 24 |
|
| 11 | it be standard practice | 15 |
|
| 12 | it be standard practice | 15 |
|
| 13 | it 's [adj] practice | 14 |
|
