| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this is the first [adj] [noun sg] | 46 |
|
| 2 | this was the first [adj] [noun sg] | 42 |
|
| 3 | this be the first major [noun sg] | 11 |
|
| 4 | this be the first [adj] study | 5 |
|
| 5 | this be the first real [noun sg] | 5 |
|
