| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [be] [vb pp] [prep] [v-ing] | 2193 |
|
| 2 | [noun] [is] [vb pp] [prep] [v-ing] | 1238 |
|
| 3 | [noun sg] [is] [verb] [prep] [v-ing] | 1142 |
|
| 4 | [noun sg] [is] [vb pp] [prep] [verb] | 1114 |
|
