BOOK - PRESENT SIMPLE
★ i book
★ you book
★ he/she/it books
★ we book
★ you book
★ they book
BOOK - PRESENT CONTINUOUS
★ i am booking
★ you are booking
★ he/she/it is booking
★ we are booking
★you are booking
★ they are booking
BOOK - PRESENT PERFECT
★ i have booked
★ you have booked
★ he/she/it has booked
★ we have booked
★ you have booked
★ they have booked
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 Continuous is a tense used for activities that are happening in the moment of speaking. It also can be used in a future aspect for future arrangements or plans. This tense is always used when you are describing a picture. The most used prepositions used with Present Continuous are AT THE MOMENT and NOW.
BOOK - PRESENT PERFECT CONTINUOUS
★ i have been booking
★ you have been booking
★ he/she/it has been booking
★ we have been booking
★ you have been booking
★ they have been booking
BOOK - PAST SIMPLE
★ i booked
★ you booked
★ he/she/it booked
★ we booked
★ you booked
★ they booked
BOOK - PAST CONTINUOUS
★ i was booking
★ you were booking
★ he/she/it was booking
★ we were booking
★ you were booking
★ they were booking
BOOK - PAST PERFECT
★ i had booked
★ you had booked
★ he/she/it had booked
★ we had booked
★ you had booked
★ they had booked
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
BOOK - PAST PERFECT CONTINUOUS
★ i had been booking
★ you had been booking
★ he/she/it had been booking
★ we had been booking
★ you had been booking
★ they had been booking
BOOK - FUTURE SIMPLE
★ i will book
★ you will book
★ he/she/it will book
★ we will book
★ you will book
★ they will book
BOOK - FUTURE CONTINUOUS
★ i will be booking
★ you will be booking
★ he/she/it will be booking
★ we will be booking
★ you will be booking
★ they will be booking
BOOK - FUTURE PERFECT
★ i will have booked
★ you will have booked
★ he/she/it will have booked
★ we will have booked
★ you will have booked
★ they will have booked
Present Continuous is a tense used for activities that are happening in the moment of speaking. It also can be used in a future aspect for future arrangements or plans. This tense is always used when you are describing a picture. The most used prepositions used with Present Continuous are AT THE MOMENT and NOW.
BOOK - FUTURE PERFECT CONTINUOUS
★ i will have been booking
★ you will have been booking
★ he/she/it will have been booking
★ we will have been booking
★ you will have been booking
★ they will have been booking

Conjugation of verb Book