| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [prep] [verb] | 1156 |
|
| 2 | was [v-ing] [prep] [vb infin] | 860 |
|
| 3 | [be] [v-ing] [prep] let | 19 |
|
| 4 | be [v-ing] [prep] let | 19 |
|
| 5 | [was/were] [v-ing] [prep] let | 7 |
|
| 6 | was [verb] [prep] let | 5 |
|
| 7 | was [v-ing] [prep] let | 5 |
|
