| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [v-ing] [prep] a [adj] | 73 |
|
| 2 | [verb] be [v-ing] [prep] a long | 28 |
|
| 3 | [vb past] be [verb] [prep] a long | 18 |
|
| 4 | [vb past] be [v-ing] [prep] a long | 9 |
|
| 5 | [vb past] be [v-ing] [prep] [art] long | 9 |
|
| 6 | [vb past] [be] [v-ing] [prep] a long | 9 |
|
| 7 | [vb past] be [v-ing] [prep] a long | 9 |
|
| 8 | [vb past] be [v-ing] [prep] [art] long | 9 |
|
