| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [det] [prep] [num] year | 10 |
|
| 2 | be [v-ing] [det] [prep] [adj] years | 10 |
|
| 3 | be [v-ing] [det] for [adj] year | 8 |
|
| 4 | been [v-ing] [det] [prep] [adj] year | 8 |
|
| 5 | be doing [det] [prep] [adj] year | 8 |
|
| 6 | be [v-ing] this [prep] [adj] year | 8 |
|
