Rule 7 - If the noun which is formed by compound and that has one portion is preposition then to make...

Rule 4 - If a noun contains ‘o’ in the end of the word and before it there is a consonant then to...

Rule 1 - If in the end of a Noun there is ‘s’, ‘sh’, ‘ss’, ‘z’ or ‘ch’ then to make...

Rule 3 : After the verbs "Say / suggest / propose / speak / Explain / reply / complain / talk / listen...

Rule 1 : After the verb "Enter" the preposition "into" should not be used Except when it is used with...