| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [to-vb] at the | 70 |
|
| 2 | [is] [adj] [verb] at the | 66 |
|
| 3 | is [adj] [verb] at the | 66 |
|
| 4 | [is] [adj] look at the | 28 |
|
| 5 | [is] [adj] to look at the | 27 |
|
| 6 | 's [adj] [verb] at the | 18 |
|
| 7 | [is] important [verb] at the | 16 |
|
| 8 | [is] important [verb] at the | 16 |
|
| 9 | [is] [det] [verb] at the | 10 |
|
| 10 | [is] likely [verb] at the | 9 |
|
| 11 | [is] likely [verb] at the | 9 |
|
| 12 | [is] necessary [verb] at the | 7 |
|
| 13 | [is] necessary [verb] at the | 7 |
|
| 14 | [is] [adj] [v-ing] at the | 7 |
|
| 15 | [is] all [verb] at the | 6 |
|
| 16 | [is] all [verb] at the | 6 |
|
| 17 | [is] [adj] [vb pp] at the | 6 |
|
| 18 | [is] [adj -er] [verb] at the | 5 |
|
