`-` Cấu trúc: It is the first time (that) S + have/has + Vpp = S + have/has + not/never + Vpp + before
`10`. Mai has made a dress since Saturday.
`11`. It is the first time that I have drunk whisky
`12`. It is the first time that she has eaten curry.
`13`. It is the first time that Anh Duong has loved a girl.
`14`. It is the first time that Yen Phi has been to Ho Chi Minh.
`15`. It is the first time that Danh has visited Vung tau.