1 republic of uzbekistan ministry of higher and secondary specialised education

According to formal properties
there are the following basic 
forms of verbs in English:

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Infinitive 
Present 
Past 
Participle 1 
Participle 2 
To go 
Go 
went 
Going 
Gone 
To write 
Write 
Wrote 
Writing 
Written 
To work 
work 
worked 
working 
Worked 
According to formal properties there are the following basic 
forms of verbs in the Uzbek language:1. categorical forms; 2. 
functional( non-categorial) forms.1. verbs of categorical forms are 
those which express the categories of tense, voice, person, number, 
mood : ishlayapman, ishlayapsan, ishlayapti, ishlay,ishlayin, ishla, 
ishlasang, ishlasam, ishlasa, yozdi, yozildi, yozishdi; 2. Verbs of 
functional ( non-categorial) forms are those having none of the verbs’ 
grammatical categories and being used for the expression of various 
meanings or which are used to perform the functions of the participle 
(sifatdosh-kelgan, o’qigan), adverbial participle (ravishdosh- kelgach, 
o’qigach) and infinitive ( harakat nomi-kelish, o’qish). 
8.
The category of voice in the verbs of the English and native 
languages
Linguists H. Sweet, G. Gurme and some others consider two 
forms of the voice in English verbs: active voice/passive voice. 
Voice is a two members opposition where passive voice is opposed to 
the active voice. Active voice is formed by zero morpheme. Passive 
voice is formed analytically , that is by the combination of the 
auxiliary verb “be” in the required tense form , person and number 
with the notional verb in the form of past participle (P.2)
 
In English: 
Active voice: Passive voice: 
Oleg writes a letter The letter is written by Oleg 
Oleg wrote a letter The letter was written by Oleg 
The active voice shows that the subject is the doer of the action , 
passive voice shows that the grammatical subject of the sentence is 

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acted upon by the object which is sometimes is given and sometimes 
is not given in the sentence.
Some linguists as Ilyish B.A. and Kaushanskaya V.L. consider that 
there are some more forms of the voice in Modern English: 
Reflexive voice 
Reciprocal voice 
Middle voice 
He shaved 
They greeted (each 
other) 
The door opened 
He dressed 
They met( with one 
another) 
The paper burned 
Analyzing the sentences given above we see that the verbs