BEG - PRESENT SIMPLE
★ i beg
★ you beg
★ he/she/it begs
★ we beg
★ you beg
★ they beg
BEG - PRESENT CONTINUOUS
★ i am begging
★ you are begging
★ he/she/it is begging
★ we are begging
★you are begging
★ they are begging
BEG - PRESENT PERFECT
★ i have begged
★ you have begged
★ he/she/it has begged
★ we have begged
★ you have begged
★ they have begged
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.
BEG - PRESENT PERFECT CONTINUOUS
★ i have been begging
★ you have been begging
★ he/she/it has been begging
★ we have been begging
★ you have been begging
★ they have been begging
BEG - PAST SIMPLE
★ i begged
★ you begged
★ he/she/it begged
★ we begged
★ you begged
★ they begged
BEG - PAST CONTINUOUS
★ i was begging
★ you were begging
★ he/she/it was begging
★ we were begging
★ you were begging
★ they were begging
BEG - PAST PERFECT
★ i had begged
★ you had begged
★ he/she/it had begged
★ we had begged
★ you had begged
★ they had begged
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
BEG - PAST PERFECT CONTINUOUS
★ i had been begging
★ you had been begging
★ he/she/it had been begging
★ we had been begging
★ you had been begging
★ they had been begging
BEG - FUTURE SIMPLE
★ i will beg
★ you will beg
★ he/she/it will beg
★ we will beg
★ you will beg
★ they will beg
BEG - FUTURE CONTINUOUS
★ i wil be begging
★ you will be begging
★ he/she/it will be begging
★ we will be begging
★ you will be begging
★ they will be begging
BEG - FUTURE PERFECT
★ i will have begged
★ you will have begged
★ he/she/it will have begged
★ we will have begged
★ you will have begged
★ they will have begged
BEG - FUTURE PERFECT CONTINUOUS
★ i will have been begging
★ you will have been begging
★ he/she/it will have been begging
★ we will have been begging
★ you will have been begging
★ they will have been begging

Conjugation of verb Beg