CALCULATE - PRESENT SIMPLE
★ i calculate
★ you calculate
★ he/she/it calculates
★ we calculate
★ you calculate
★ they calculate
CALCULATE - PRESENT CONTINUOUS
★ i am calculating
★ you are calculating
★ he/she/it is calculating
★ we are calculating
★you are calculating
★ they are calculating
CALCULATE - PRESENT PERFECT
★ i have calculated
★ you have calculated
★ he/she/it has calculated
★ we have calculated
★ you have calculated
★ they have calculated

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