CÁCH DÙNG MỘT SỐ TỪ ĐẶC BIỆT
• Before:
S + had + V3/ed, Before + S + V2/ed
S +will + V1, Before + S + Vs/es
• After:
S + V2/ed, After + S + had + V3/ed,
S + V2/ed, After + S + V2/ed
• When:
S + had + V3/ed, When + S + V2/ed
S + V2/ed , When + S + V2/ed
S + V2/ed, When + S + tobe + V-ing
S + will + V1 , When + S + Vs/es
While:
S2+ tobe + Ving While S1 + tobe +Ving
• Until:
S + V2/ed + until + S + V2/ed
S + V2/ed + until + S + had + V3/ed