The passive voice is the marked voice: [+Passive], and the active voice is the unmarked or default voice: [-Passive]. Virtually every verb may occur in the active voice--indeed some of them must: 1.
Therefore, to express your ideas accurately, choose an appropriate verb and use it well. In particular, use it in the right tense, choose carefully between active and passive voice, and avoid ...
However, in each pair one sentence uses the active voice and one uses the passive voice ... the race' performs the action described by the verb 'lifted'. The subject 'the doctor' performs the ...
1. The voice of the verb is distinct from its tense. Don't confuse the passive voice with the past tense. (Sentence 2 happens to be in the past tense, but 3 is not; both 2 and 3 are in the passive ...