example of figures of speech and uses of at,in,on

• Inefficacy of the plan surprised everyone : the word inefficacy in the sentence is what type in 8 parts on speech
• The catastrophe left a lasting impact. :The catastrophe in the sentence is what type in 8 parts of speech noun 
• Hers is the red car. : her in the sentence is what type in 8 parts of speech pronoun
• Themselves are responsible for the mess. : themselves in the sentence is what type in 8 parts of speech pronoun
• She elucidated the concept.: elucidated in the sentence is what type in 8 parts of speech verb
• He exacerbated the situation.: exacerbated in the sentence is what type in 8 parts of speech verb
• The car moved swiftly.:swiftly in the sentence is what type in 8 parts of speech adverb
• He spoke eloquently.: eloquently in the sentence is what type in 8 parts of speech adverb
• The perplexing puzzle was challenging. Challenging in the sentence is what type in 8 parts of speech adjective
• Preposition: The book is underneath the table. :Underneath in the sentence is what type in 8 parts of speech preposition
• She walked across the street.:across in the sentence is what type in 8 parts of speech preposition
• Conjunction: He likes tea and coffee: and in the sentence is what type in 8 parts of speech conjunction
• She will go, but she is tired.: but in the sentence is what type in 8 parts on speech conjunction
• Alas, the news was devastating.: devastating in the sentence is what type in 8 parts of speech interjection
• . Wow, what a surprise!.: wow in the sentence is what type in 8 parts of speech interjection
• gave my brother an umbrella: 

   Article sentence
• what a beautiful day to be with you : article sentence
• he give me an opportunity: article sentence
• I'll meet you at 3 PM for our appointment.
• The concert starts at 8 o'clock tonight.
• We always visit our grandparents at Christmas.
• We're planning a vacation at Easter this year.
• On June 15th, we're celebrating our anniversary.
• The conference is scheduled on Monday next week.
• My birthday is in August.
• The conference is scheduled to take place in September.
• The company was founded in 1998.
• The 1960s was a decade of significant in social change.
• Many technological advancements occurred in the 2000s.
• The Declaration of Independence was signed in the 18th century.
• The Industrial Revolution began in the 19th century.
• We're planning a beach vacation in the summer.
• Skiing is popular in the winter.
• The book was written in the Renaissance era.
• They completed the project in record time.
• At: specific time
• At: holidays period
• On: days On: + dates/specific dates
• In: month In: year In : the - decade
• In : the - century In : Season In : + time period