| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [to-vb] | 19183 |
|
| 2 | [is] [vb pp] [to-vb] | 12052 |
|
| 3 | [be] designed [to-vb] | 2272 |
|
| 4 | [is] designed [verb] | 845 |
|
| 5 | [is] design [to-vb] | 842 |
|
