| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] signs of [noun sg] | 6 |
|
| 2 | was [v-ing] signs [prep] [noun sg] | 5 |
|
| 3 | was show signs [prep] [noun sg] | 5 |
|
| 4 | was showing signs [prep] [noun sg] | 5 |
|
