$1.$ The Brown family has gone to Switzerland every winter for 4 years.
$2.$ My brother has eaten frogs' legs 3 times.
$3.$ Carol has been in Morocco since last month.
$4.$ Timothy has ridden a bus to school since his car broke down.
$5.$ Jorge and Carmen have been married since 1980.
$6.$ Scientists have been concerned with the world's rain forests for many years.
$7.$ James has known how to repair a computer for a long time.
$8.$ I have wanted to go to Japan for several years.
$9.$ Marry has been excited about space exploration since she was young.
*Cấu trúc:
- Thì hiện tại hoàn thành: S + has/ have + V3.
- Dùng để chỉ hành động đã xảy ra trong quá khứ, còn tiếp tục ở hiện tại và sẽ còn tiếp diễn trong tương lai.
- Dùng để diễn tả trải nghiệm, kinh nghiệm.