| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [adj] [noun sg] | 59 |
|
| 2 | it has been [adj] [noun sg] | 22 |
|
| 3 | it 's been [adj] [noun sg] | 18 |
|
| 4 | it had been [adj] [noun sg] | 17 |
|
| 5 | it have been hard [noun sg] | 6 |
|
| 6 | it have been [adj] practice | 6 |
|
| 7 | it have been [adj] fun | 5 |
|
| 8 | it have been common [noun sg] | 5 |
|
