| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [verb] that [adj] | 34 |
|
| 2 | [is] [verb] [to-vb] that [adj] | 32 |
|
| 3 | [is] [vb pp] [verb] that [adj] | 28 |
|
| 4 | [is] [verb] [verb] that [det] | 24 |
|
| 5 | [is] [verb] ensure that [adj] | 15 |
|
| 6 | [is] [verb] to ensure that [adj] | 15 |
|
| 7 | [is] [verb] [verb] that [adj] | 10 |
|
| 8 | [is] [v-ing] [verb] that [adj] | 8 |
|
| 9 | [is] [verb] [verb] that all | 6 |
|
| 10 | [is] [verb] [verb] that all | 6 |
|
| 11 | [is] [verb] [verb] that this | 5 |
|
| 12 | [is] [verb] [verb] that this | 5 |
|
