| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for [adv] [adj] | 110 |
|
| 2 | be [v-ing] for [adj] months | 28 |
|
| 3 | [v-ing] for [adv] [adj] months | 11 |
|
| 4 | be for [adv] [adj] months | 6 |
|
