Toi co mot cau truc tieng anh rat hay vµ rat bo ich. Ai can cu tu nhien vµ toi chi can Thank mot cai qua dia chi email:
bichhanh86qn@yahoo.com. Day la cau truc tuong duong giua QK thuong vµ hien tai hoan thanh:
*S+started/began+ving...ago/in
=S+have/has+p2(thong cam p2 la phan tu hai)
*S+last+Vpast...ago/in...
=S+haven't/hasn't+P2 for../since.
This is the first time+S+have/has+P2
=S+have/has never+P2...before