| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] a busy | 13 |
|
| 2 | it have been a busy | 13 |
|
| 3 | it have be a busy | 13 |
|
| 4 | it have [be] a busy | 13 |
|
| 5 | it 's [be] a busy | 8 |
|
