| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [to-vb] what [verb] | 26 |
|
| 2 | is [adj] [to-vb] [Wh det] [vb -s] | 18 |
|
| 3 | is [adj] to know [Wh det] [verb] | 9 |
|
| 4 | is important [to-vb] [Wh det] [verb] | 8 |
|
| 5 | is [adj] [to-vb] which [verb] | 8 |
|
| 6 | is [adj] [to-vb] [Wh det] have | 8 |
|
| 7 | is [adj] [to-vb] [Wh det] happen | 7 |
|
| 8 | is [adj] [to-vb] [Wh det] has | 7 |
|
| 9 | is [adj] [to-vb] [Wh det] [vb past] | 7 |
|
| 10 | is [adj] [to-vb] [Wh det] [vb base] | 6 |
|
| 11 | is hard [to-vb] [Wh det] [verb] | 5 |
|
| 12 | is [adj] [to-vb] [Wh det] happened | 5 |
|
