| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [v-ing] | 414 |
|
| 2 | it 's be [v-ing] | 151 |
|
| 3 | it has be [v-ing] | 133 |
|
| 4 | it had be [v-ing] | 125 |
|
| 5 | it have be going | 60 |
|
| 6 | it have be raining | 27 |
|
| 7 | it have be working | 17 |
|
| 8 | it have be running | 12 |
|
| 9 | it have be happening | 9 |
|
| 10 | it have be doing | 9 |
|
| 11 | it have be sitting | 8 |
|
| 12 | it have be developing | 7 |
|
| 13 | it have be standing | 7 |
|
| 14 | it have be lying | 7 |
|
| 15 | it have be operating | 6 |
|
| 16 | it have be holding | 6 |
|
| 17 | it have be getting | 6 |
|
| 18 | it have be playing | 6 |
|
| 19 | it have be building | 6 |
|
| 20 | it have be coming | 6 |
|
| 21 | it have be selling | 5 |
|
| 22 | it have be travelling | 5 |
|
| 23 | it have be hanging | 5 |
|
| 24 | it have be snowing | 5 |
|
| 25 | it have be making | 5 |
|
