Identify the tense in this sentence: "I clean the pan before spraying avocado oil on it."

Identify the tense in this sentence: "I have been using corn flour for all my recipes."

Identify the tense in this sentence: "We have put olive oil on your salad."

Identify the tense in this sentence: "Is she destroying your toaster oven?"

Identify the tense in this sentence: "They are grating the cheese right now."

Identify the tense in this sentence: "I have not shredded the cheese yet."

Identify the tense in this sentence: "She has studied architecture at the university."

Identify the tense in this sentence: "What have you been doing this whole time?"

The tense of the verb identifies the time of the action in this sentence: "Robert sees his girlfriend every Friday night."

The tense of the verb identifies the time of the action in this sentence: "Tim has been posting pictures of his vacation on Instagram for three days now."

The tense of the verb identifies the time of the action in this sentence: "Valerie is graduating from college next month."