English Tenses

	Present
Indefinite	I eat Apple
Continues	I am eating Apple
Perfect	I have eaten Apple
Perfect Continues	I have been eating Apple
	Past
Indefinite	I ate Apple
Continues	I was eating Apple
Perfect	I had eaten Apple
Perfect Continues	I had been eating Apple
	Future
Indefinite	I shall eat Apple
Continues	I shall be eating Apple
Perfect	I shall have eaten Apple
Perfect Continues	I shall have been eating Apple
	Future in Past
Indefinite	I should eat Apple
Continues	I should be eating Apple
Perfect	I should have eaten Apple
Perfect Continues	I should have been eating Apple