Valor

SIMPLE PRESENT (DO/DOES) ( YO ESCRIBO UNA CARTA)

|POSITIVE |NEGATIVE |QUESTION |
|I |write a letter. |I |don’t write a letter. |Do |I |write a letter ? |
|YOU |write a letter..|YOU |don’t write a letter. |Do |YOU |write a letter ? |
|WE |write a letter. |WE |don’t write a letter. |Do |WE |write a letter ? |
|THEY |write a letter. |THEY |don’t write a letter. |Do |THEY|write a letter ? |
| | | | | | | |
|HE |writes a letter. |HE |doesn’t write a letter. |Does |HE |write a letter ? |
|SHE |writes a letter.|SHE |doesn’t write a letter. |Does |SHE |write a letter ? |
|IT |writes a letter. |IT |doesn’t write a letter. |Does |IT |write a letter ? |

PRESENT CONTINUOUS (PROGRESSIVE) (AM/ARE/IS + ING)

|POSITIVE |NEGATIVE|QUESTION |
|I |Am writing a letter. |I |Am not writing a letter. |Am |I |writing a letter ? |
|YOU |Are writing a letter. |YOU |Are not writing a letter. |Are |YOU |writing a letter ? |
|WE|Are writing a letter. |WE |Are not writing a letter. |Are |WE |writing a letter ? |
|THEY |Are writing a letter. |THEY |Are not writing a letter. |Are |THEY |writing a letter ? |
| | | || | | |
|HE |Is writing a letter. |HE |Is not writing a letter. |Is |HE |writing a letter ? |
|SHE |Is writing a letter. |SHE |Is not writing a letter. |Is |SHE |writing a letter ? |
|IT|Is writing a letter. |IT |Is not writing a letter. |Is |IT |writing a letter ? |

PRESENT PERFECT (HAVE/HAS + PARTICIPLE)

|POSITIVE |NEGATIVE |QUESTION |
|I |Have written a letter. |I|haven’t written a letter. |Have |I |written a letter ? |
|YOU |Have written a letter. |YOU |haven’t written a letter. |Have |YOU |written a letter ? |
|WE |Have written a letter. |WE |haven’t written a letter. |Have |WE |written a letter ?|
|THEY |Have written a letter. |THEY |haven’t written a letter. |Have |THEY |written a letter ? |
| | | | | | | |
|HE |Has written a letter. |HE |hasn’t...