L#09=auxiliary verbs
L#15=question tag
L#02=sentence & its classificatons
L#12=completing sentence
L#14=narration
L#11=right form of verb
L#16=sentence connectors
L#06=জাবেদা
L#07=খতিয়ান
L#03=double entry system
L#05=use of article
L#08=preposition
L#13=the voice change
L#08=cash book
L#05=হিসাব
L#01=English & English grammar
L#10=sentence with tense
L#03=parts of speech
L#06=tense
L#02=transcations
