Grammar Lessons

S + will have + V3/ed

S + will + be + V-ing

S + will + V (nguyên thể)

S + had + been + V-ing

S + had + V3/ed

S + was/were + V-ing

S + V2/ed (Động từ thường) hoặc S + was/were (Động từ to be)

S + have/has + been + V-ing

S + have/has + V3/ed

S + am/is/are + V-ing

S + am/is/are... | S + V(s/es)...