| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it have [be] [adv] | 213 |
|
| 2 | [subord] it [be] [v-ing] [adv] | 211 |
|
| 3 | it have [be] [v-ing] [adv] | 124 |
|
| 4 | [subord] it have [be] [v-ing] | 46 |
|
