| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [subord] it [is] [verb] | 66 |
|
| 2 | [prep] if it [is] [verb] | 49 |
|
| 3 | [prep] [subord] it [is] [v-ing] | 45 |
|
| 4 | as [subord] it [is] [verb] | 45 |
|
| 5 | [prep] [subord] it 's [verb] | 35 |
|
| 6 | [prep] [subord] it is [verb] | 31 |
|
| 7 | [prep] [subord] it [is] [vb pp] | 21 |
|
| 8 | [prep] [subord] it [is] go | 15 |
|
| 9 | [prep] [subord] it [is] going | 15 |
|
| 10 | [prep] whether it [is] [verb] | 13 |
|
