18 Use the correct verb tense. Avoid switching verb tenses unless it is necessary to be clearly understood.  The “tense” tells when it happened. Typically, use the past tense.	The Present	Now I listen to alternative. Now I am listening to alternative.
	The Simple Past It has –ed on the end.	Last year, I listened to rock. Last year, I was listening to rock.
	The Distant Past It has had and -ed on the end.  Grammar people call it Past Perfect.	Before that, I had listened to country. Before that, I had been listening to country.
	Occasionally in the Past  It uses have and has -ed on the end.  Grammar people call it Present Perfect.	I have listened to classical occasionally. I have been listening to classical, occasionally.
	Future It uses will.	Next year, I will listen to rap. Next year, I will be listening to rap.
	The Future Looking Back It uses will have.  Grammar people call it Future Perfect.	By this time next year, I will have listened to rap for several months. By this time next year, I will have been listening to rap for several months.
	Anytime It uses “to” in front of the verb.  Grammar people call it Infinitive or gerund form.	To listen to music is wonderful. To be listening to music is wonderful.