| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [subord] it [is] [adj] [to-vb] | 10 |
|
| 2 | is [subord] it [is] [adj] [verb] | 10 |
|
| 3 | is [subord] it [is] [adj] [verb] | 10 |
|
| 4 | is [subord] it is [adj] [verb] | 9 |
|
| 5 | is whether it [is] [adj] [verb] | 8 |
|
| 6 | is [subord] it [is] possible [verb] | 5 |
|
| 7 | is [subord] it [is] possible [verb] | 5 |
|
