` HTHT + for ` : S + have /has + VPII + for + 1 khoảng TG
` for ` + 1 khoảng TG
` HTHT + since ` : S + have / has + VPII + since + 1 mốc TG / QKĐ
` since ` + 1 mốc TG / QKĐ
` 1 ` : for
` 2 ` : since
` 3 ` : for
` 4 ` : for
` 5 ` : since
` 6 ` : for
` 7 ` : since
` 8 ` : for
` 9 ` : since
` 10 ` : for