2. 1. The Present Tense
a. She writes a letter. (Simple Present)
b. She is writing a letter. (Present
Continuous)
c. She has written a letter. (Present
Perfect)
d. She has been writing a letter.
(Present Perfect Continuous)
3. 2. The Past Tense
a. She wrote a letter. (Simple Past)
b. She was writing a letter. (Past
Continuous)
c. She had written a letter. (Past
Perfect)
d. She had been writing a letter.
(Past Perfect Continuous)
4. 3. The Future Tense
a. She will write a letter. (Simple
Future)
b. She will be writing a letter. (Future
Continuous)
c. She will have written a letter.
(Future Perfect)
d. She will have been writing a letter.
(Future Perfect Continuous)