Chew, chews, chewing, chewed

CHEW - PRESENT SIMPLE
★ i chew
★ you chew
★ he/she/it chews
★ we chew
★ you chew
★ they chew
CHEW - PRESENT CONTINUOUS
★ i am chewing
★ you are chewing
★ he/she/it is chewing
★ we are chewing
★you are chewing
★ they are chewing
CHEW - PRESENT PERFECT
★ i have chewed
★ you have chewed
★ he/she/it has chewed
★ we have chewed
★ you have chewed
★ they have chewed
The Simple Past Tense, also called Simple Past or Preterite is a verb tense that is used to describe completed action happend in the past. It is the most basic form of past tense and it is formed by adding d, ed or ied to the base structure of the verb.
Present Perfect is a tense used to express the activity that started in the past and is still going on in the present tense. In British English this is the most used tense of them all. When you want to tell about your experience up to the present, you use Present Perfect. The prepositions that are often used with this tense are NEVER, EVER, JUST, ALREADY, YET and many others.
CHEW - PRESENT PERFECT CONTINUOUS
★ i have been chewing
★ you have been chewing
★ he/she/it has been chewing
★ we have been chewing
★ you have been chewing
★ they have been chewing
CHEW - PAST SIMPLE
★ i chewed
★ you chewed
★ he/she/it chewed
★ we chewed
★ you chewed
★ they chewed
CHEW - PAST CONTINUOUS
★ i was chewing
★ you were chewing
★ he/she/it was chewing
★ we were chewing
★ you were chewing
★ they were chewing
CHEW - PAST PERFECT
★ i had chewed
★ you had chewed
★ he/she/it had chewed
★ we had chewed
★ you had chewed
★ they had chewed
A transitive verb always has a noun that  receives the action of the verb, called the direct object.
An intransitive verb never has a direct or indirect object. Although an intransitive verb may be followed by an adverb or adverbial phrase, there is no object to receive its action
CHEW - PAST PERFECT CONTINUOUS
★ i had been chewing
★ you had been chewing
★ he/she/it had been chewing
★ we had been chewing
★ you had been chewing
★ they had been chewing
CHEW - FUTURE SIMPLE
★ i will chew
★ you will chew
★ he/she/it will chew
★ we will chew
★ you will chew
★ they will chew
CHEW - FUTURE CONTINUOUS
★ i will be chewing
★ you will be chewing
★ he/she/it will be chewing
★ we will be chewing
★ you will be chewing
★ they will be chewing
CHEW - FUTURE PERFECT
★ i will have chewed
★ you will have chewed
★ he/she/it will have chewed
★ we will have chewed
★ you will have chewed
★ they will have chewed
Present Simple is a tense used for talking about habits or activities that are constantly repeating. We also use Present Simple if we are talking about general thrust or facts about nature. This tense is also used in the Zero Conditional sentences and it is one of the most basic but also most important tenses of the English language. The most used prepositions with Present Simple are OFTEN, USUALLY, ALWAYS and many more.

CHEW - FUTURE PERFECT CONTINUOUS
★ i will have been chewing
★ you will have been chewing
★ he/she/it will have been chewing
★ we will have been chewing
★ you will have been chewing
★ they will have been chewing

conjugation of verb chew