| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] a [noun sg] | 8500 |
|
| 2 | [verb] [be] a [noun sg] | 7390 |
|
| 3 | [verb] [v-ing] a [noun sg] | 1892 |
|
| 4 | [verb] [be] [v-ing] a | 981 |
|
| 5 | [verb] [be] [v-ing] [noun sg] | 843 |
|
