| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [v-ing] [adv] [prep] [det] | 18 |
|
| 2 | it [be] [v-ing] [adv] [prep] [det] | 18 |
|
| 3 | it [be] [v-ing] [adv prt] [prep] [det] | 11 |
|
| 4 | it [is] [v-ing] [adv] [prep] [det] | 10 |
|
| 5 | it [was/were] [v-ing] [adv] [prep] [det] | 8 |
|
| 6 | it was [v-ing] [adv] [prep] [det] | 8 |
|
| 7 | it [be] [v-ing] [adv] [prep] [det] | 7 |
|
| 8 | it is [v-ing] [adv] [prep] [det] | 5 |
|
| 9 | it 's [v-ing] [adv] [prep] [det] | 5 |
|
| 10 | it [be] [v-ing] [adv] [prep] that | 5 |
|
