Question

Put the verbs in brackets into the Present Simple, the Present Continuous or the Present Perfect.

I (1) have worked (work) as a botanist since graduation. I (2) teach (teach) students at the university but I also (3) spend (spend) a lot of time travelling. I (4) have had (have) some professional success – I (5) have just discover (just discover) an unknown orchid in Indonesia. At present, I (6) study (study) a rare Asian plant which Chinese medicine (7) use (use) to cure rheumatism. I (8) am collecting (collect) leaves and flowers to examine their properties. I have (9) have examined (examine) over ten plants so far. I (10) believe (believe) my job is interesting and useful.

Answer 1

2. Have taught
3. Have spent
4. Have had
5. Have just discovered
6. I am studying
7. Is using
8. I am collecting
9. Have examined
10. I believe