| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] to carry out a | 10 |
|
| 2 | [noun sg] [is] to carry out a | 8 |
|
| 3 | [is] to carry out a [noun sg] | 10 |
|
| 4 | [is] to carry out a [noun] | 10 |
|
