| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [v-ing] [prep] [art] | 592 |
|
| 2 | [vb base] be [v-ing] [prep] [art] | 592 |
|
| 3 | [verb] be [v-ing] since [art] | 39 |
|
| 4 | [vb base] be [verb] since [art] | 33 |
|
| 5 | [vb base] [be] [v-ing] since [art] | 10 |
|
| 6 | [vb base] be [v-ing] since [art] | 10 |
|
| 7 | [vb base] be [v-ing] since [art] | 10 |
|
