Clean, cleans, cleaning, cleaned

CLEAR - PRESENT SIMPLE
★ i clear
★ you clear
★ he/she/it clears
★ we clear
★ you clear
★ they clear
CLEAR - PRESENT CONTINUOUS
★ i am clearing
★ you are clearing
★ he/she/it is clearing
★ we are clearing
★you are clearing
★ they are clearing
CLEAR - PRESENT PERFECT
★ i have cleared
★ you have cleared
★ he/she/it has cleared
★ we have cleared
★ you have cleared
★ they have cleared
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 Continuous is a tense in the English language used to emphasize that one action is still continuing in the present moment. The difference between Present Perfect and Present Perfect Continuous is that Present Perfect is emphasizing the action of the sentence while Present Perfect Continuous is emphasizing the duration of that action.
CLEAR - PRESENT PERFECT CONTINUOUS
★ i have been clearing
★ you have been clearing
★ he/she/it has been clearing
★ we have been clearing
★ you have been clearing
★ they have been clearing
CLEAR - PAST SIMPLE
★ i cleared
★ you cleared
★ he/she/it cleared
★ we cleared
★ you cleared
★ they cleared
CLEAR - PAST CONTINUOUS
★ i was clearing
★ you were clearing
★ he/she/it was clearing
★ we were clearing
★ you were clearing
★ they were clearing
CLEAR - PAST PERFECT
★ i had cleared
★ you had cleared
★ he/she/it had cleared
★ we had cleared
★ you had cleared
★ they had cleared
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
CLEAR - PAST PERFECT CONTINUOUS
★ i had been clearing
★ you had been clearing
★ he/she/it had been clearing
★ we had been clearing
★ you had been clearing
★ they had been clearing
CLEAR - FUTURE SIMPLE
★ i will clear
★ you will clear
★ he/she/it will clear
★ we will clear
★ you will clear
★ they will clear
CLEAR - FUTURE CONTINUOUS
★ i will be clearing
★ you will be clearing
★ he/she/it will be clearing
★ we will be clearing
★ you will be clearing
★ they will be clearing
CLEAR - FUTURE PERFECT
★ i will have cleared
★ you will have cleared
★ he/she/it will have cleared
★ we will have cleared
★ you will have cleared
★ they will have cleared
Present Perfect Continuous is a tense in the English language used to emphasize that one action is still continuing in the present moment. The difference between Present Perfect and Present Perfect Continuous is that Present Perfect is emphasizing the action of the sentence while Present Perfect Continuous is emphasizing the duration of that action.
CLEAR - FUTURE PERFECT CONTINUOUS
★ i will have been clearing
★ you will have been clearing
★ he/she/it will have been clearing
★ we will have been clearing
★ you will have been clearing
★ they will have been clearing

conjugation of verb clear