• English grammar
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  • 1 English alphabet
  • 2 English pronunciation and phonetics [0/3]
  • 3 English articles [0/9]
  • 4 English pronouns [0/39]
  • 4.1 English personal pronouns [0/3]
  • 4.2 English impersonal pronouns (it, there, ...) [0/4]
  • 4.3 English object pronouns [0/3]
  • 4.4 English possessive pronouns [0/5]
  • 4.5 English reflexive pronouns [0/4]
  • 4.6 English reciprocal pronouns [0/4]
  • 4.7 English demonstrative pronouns [0/3]
  • 4.8 English relative pronouns [0/4]
  • 4.9 English indefinite pronouns [0/5]
  • 4.10 English interrogative pronouns [0/4]
  • 5 English nouns [0/16]
  • 6 English adjectives [0/38]
  • 6.1 Adjectives of quality in English [0/4]
  • 6.2 Demonstrative adjectives in English [0/4]
  • 6.3 Possessive adjectives in English [0/4]
  • 6.4 Quantity adjectives in English [0/4]
  • 6.5 Interrogative adjectives in English [0/4]
  • 6.6 Numeral adjectives in English [0/8]
  • 6.7 Comparatives and superlatives [0/10]
  • 7 English adverbs [0/18]
  • 8 English prepositions [0/12]
  • 9 English verbs [0/122]
  • 9.1 Present tenses in English [0/29]
  • Fill in the correct present tense in English (Score -/-)
  • Exercise about all present tenses in English (Score -/-)
  • Mixed present tenses exercise in English (Score -/-)
  • Practice all the English present tenses (Score -/-)
  • 9.1.1 Present simple tense in English [0/5]
  • 9.1.2 Present continuous tense in English [0/4]
  • 9.1.3 Present simple vs present continuous in English [0/4]
  • 9.1.4 Present perfect tense in English [0/4]
  • 9.1.5 Present perfect continuous tense in English [0/4]
  • 9.1.6 Difference past simple and present perfect in English [0/4]
  • 9.2 Past tenses in English [0/20]
  • 9.3 Future tenses in English [0/21]
  • 9.4 Auxiliary verbs in English [0/9]
  • 9.5 Present participle in English [0/3]
  • 9.6 Past participle in English [0/3]
  • 9.7 Modal verbs in English [0/11]
  • 9.8 Phrasal verbs in English [0/3]
  • 9.9 Regular verbs in English [0/3]
  • 9.10 Irregular verbs in English [0/3]
  • 9.11 Gerund (-ing form) in English [0/8]
  • 9.12 Infinitive verbs in English [0/3]
  • 9.13 Imperative in English [0/2]
  • 9.14 Reported speech in English [0/2]
  • 9.15 Active and passive voice in English [0/2]
  • 10 English conditionals [0/20]
  • Adverbs of probability and certainty in English

    This chapter discusses the adverbs of probability and certainty in English. Adverbs of probability and certainty tell us the degree of certainty regarding an action or event. 

    What are adverbs of probability and certainty?

    Adverbs of probability and certainty are used to talk about how sure someone is about a situation. 

    Placement of adverbs probability and certainty

    The placement of the adverbs of probability and certainty depends on what is being referred to.

    Placement Example
    Before the main verb probably study medicine in the future.
    After the verb 'to be' He is definitely like his father. 
    Between auxiliary verbs and other verbs. We will maybe be late to the party.
    At the beginning of a prayer Of course, we can start later. 

    A complete list of adverbs of probability and certainty in English

    The table below lists the adverbs of probability and certainty in English.

    Adverbs Example
    certainly She is certainly an intelligent girl. 
    conceivably They could conceivably have already left. 
    definitely

    They definitely came to school together. 

    doubtless Doubtless you will find a solution. 
    indeed I am indeed coming to your party. 
    likely It is likely that the bus does not arrive. 
    maybe  Maybe we can teach him Spanish. 
    of course Of course, they can come to my house. 
    obviously She will obviously come to the party. 
    perhaps Perhaps we will go out tonight.
    possibly I cannot possibly tell you what he will give you for your birthday.
    probably They are probably working on a project.
    really really hope I can go to Australia soon. 
    surely She surely won't forget your birthday. 
    truly They truly believe they are going to fail the exam.
    undoubtedly Undoubtedly, she was a great teacher.
    unlikely She thinks it's unlikely that the teacher will come today.

    Train your skills by doing the exercises below!

    Exercises

    Fill in the adverbs of probability and certainty in English

    Choose the correct adverb of probability and certainty in English