| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [to-vb] that [adj] | 32 |
|
| 2 | is [verb] [to-vb] that [adj] | 31 |
|
| 3 | [is] [vb pp] [to-vb] that [adj] | 24 |
|
| 4 | [is] [verb] [to-vb] that [det] | 22 |
|
| 5 | [is] [verb] to ensure that [adj] | 15 |
|
| 6 | [is] [verb] [to-vb] that [adj] | 9 |
|
| 7 | [is] [v-ing] [to-vb] that [adj] | 8 |
|
| 8 | [is] [verb] [to-vb] that all | 6 |
|
| 9 | [is] [verb] [to-vb] that all | 6 |
|
