Tenses
PRESENT • Simple : S+ V1 • Continues : S +tobe (is,am,are) + Ving • Perfect : S + have/has +V3 • Perfect continues : S + Have/ has + Been + Ving
PAST • Simple : S + V2 • Continues : S + tobe (was, were) + Ving • Perfect : S + had +V3 • Perfect continues : S + had + Been + Ving
FUTURE • Simple : S + will + V1 • Continues : S + will + be + Ving • Perfect : S + will + have + V3 • Perfect continues : S + will + have + Been + Ving
PAST FUTURE • Simple : S + would V1 • Continues : S + would + be + Ving • Perfect : S + would + have +V3 • Perfect continues : S + would + have + Been + Ving
PASSIVE VOICE • Simple Present : S + tobe (is, am, are)+ V3 + by • Simple past : S + tobe (was,were) + V3 + by • Present Perfect : S + have + been + V3 + by • Past Perfect : S + had + Been + V3 + by