| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [subord] it [be] [verb] | 10 |
|
| 2 | is [conj] [subord] it be [verb] | 10 |
|
| 3 | is [conj] [subord] it [be] [vb pp] | 8 |
|
| 4 | is [conj] [subord] it [is] [verb] | 6 |
|
| 5 | is [that] [subord] it [be] [verb] | 6 |
|
| 6 | is that [subord] it [be] [verb] | 6 |
|
| 7 | is that [subord] it [be] [verb] | 6 |
|
| 8 | is [conj] [subord] it is [verb] | 5 |
|
| 9 | is [conj] when it [be] [verb] | 5 |
|
