| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [prep] [noun sg] | 1220 |
|
| 2 | [be] [v-ing] for [noun sg] | 944 |
|
| 3 | [is] [verb] for [noun sg] | 831 |
|
| 4 | [is] [v-ing] for [noun] | 393 |
|
