all tenses

mo bagi2 rumus tense
enjoy
present tense:
+: S + V1 (s/es)
-: S + DO/DOES + NOT + V1
?: DO/DOES + S + V1

Present Continuous Tense:
+: S + Tobe + Ving
-: S + Tobe+ Not+ Ving
?: Tobe + S + Ving

Present Perfect Tense begini:
+: S + have/has + V3
-: S + have/sas Not + V3
?: Have/has + S + V3

Present Perfect Continuous Tense
+: S + have/has + been + Ving
-: S + have/has + not + been + Ving
?: Have/has + S + been + Ving

Past Tense:
+: S + V2
-: S + did not + V1
?: Did + S + V1

Past Continuous Tense
+: S + was/were + Ving
-: S + was/were + NOT + Ving
?: Was/Were + S + Ving

Past Perfect Tense
+: S + had + V3
-: S + had + not + V3
?: Had + S + V3

Past Perfect Continuous Tense
+: S + had + been + Ving
-: S + had + not + been + Ving
?: Had + S + been + Ving

Future Tense
+: S + will + V1
-: S + will + not + V1
?: Will + S + V1

Future Continuous Tense
+: S + will + be + Ving
-: S + will not + be + Ving
?: Will + S + be + Ving

Future Perfect Tense
+: S + will + have + V3
-: S + will + not + have + V3
?: Will + S + have + V3

Future Perfect Continuous Tense
+: S + will + have + been + Ving
-: S + will + not + have + been + Ving
?: Will + S + have + been + Ving

Past Future Tense
+: S + would + V1
-: S + would + not + V1
?: Would + S + V1

Past Future Tense
+: S + would + V1
-: S + would + not + V1
?: Would + S + V1

Past Future Prefect Tense
+: S + would + have + V3
-: S + would + not + have + V3
?: Would + S + have + V3

Past Future Perfect Continuous Tense
+: S + would + have + been + Ving
-: S + would + not + have + been + Ving
?: Would + S + have + been + Ving