tense

   สรุปโครงสร้างเรื่อง tense

Tense	Active voice		Passive Voice
Present Simple	S + V1		S + is, am, are + V3
Present Continuous	S + is, am, are + Ving		S + is, am,are + being + V3
Present Perfect	S + have, has + V3		S + have, has + been + V3
Present Perfect Continuous	S + have, has + been + Ving		S + have, has + been + being + V3
Past Simple	S + V2		S + was, were + V3
Past Continuous	S + was, were + Ving		S + was, were + being + V3
Past Perfect	S + had + V3		S + had+ been + V
Past Perfect Continuous	S+ had + been + Ving		S+had+been+being+V3
Future Simple	S + will, shall + V1  (to be going to + v1)		S + will, shall+ be + V3   ( to be going to +be + V3 )
Future Continuous	S + will, shall + be+Ving		S + will be + being + V3
Future Perfect	S + will, shall + have + V3		S + will have + been + V3
Future Perfect Continuous	S + will, shall + have been + Ving	S + will have + been + being + V3