| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] be [v-ing] [prep] a | 170 |
|
| 2 | [conj] be [v-ing] [prep] a | 170 |
|
| 3 | [conj] be [verb] for a | 97 |
|
| 4 | [conj] be [v-ing] for [art] | 90 |
|
| 5 | [conj] be [v-ing] for [art] | 90 |
|
| 6 | [conj] be [v-ing] for a | 59 |
|
| 7 | [conj] be [v-ing] for a | 45 |
|
| 8 | [conj] [be] [v-ing] for a | 45 |
|
