| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] that all | 40 |
|
| 2 | is [to-vb] that all | 21 |
|
| 3 | is ensure that all | 10 |
|
| 4 | is to ensure that all | 8 |
|
| 5 | is [v-ing] that all | 5 |
|
| 6 | is recommended that all | 5 |
|
| 7 | is recommend that all | 5 |
|
| 8 | is assume that all | 5 |
|
