| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] a [noun] | 37594 |
|
| 2 | be [v-ing] [prep] a [noun] | 4595 |
|
| 3 | be waiting [prep] [art] [noun] | 397 |
|
| 4 | be wait [prep] a [noun] | 95 |
|
| 5 | [be] waiting [prep] a [noun] | 95 |
|
