    Sentefice 1:. Caf. 'I...use the. ‘simpte  past tense instead’ of the’ present:  perfect tense. in these-sentences?    Sentence. 2: -When “Should .I‘use the  present. perfect: tense. rather.’ than  the, simple.past.tense? For. instance,  “I have eaten,” instead-of “I-ate         