เกี่ยวกับ tenses

The simple Tenses
1. Present SimpleS + V 1 (s, es)
2. Past SimpleS + V2
3. Future SimpleS + will, shall + V1
The Continuous (Progressive) Tenses
1.Present ContinuousS + is, am, are + Ving
2.Past Continuous (Progressive)S + was, were + Ving
3.Future Continuous (Progressive)S + will, shall + be + Ving
The Perfect Tenses
1.Present PerfectS + has, have + V3
2.Past PerfectS + had + V3
3.Future PerfectS + will, shall + have + V3
The Perfect Continuous Tenses
1.Present Perfect ContinuousS + has, have + been + Ving
2.Past Perfect ContinuousS + had + been + Ving
3.Future Perfect ContunuousS + will, shall + have been + Ving