Adverb of Certainty

Adverb of certainty atau keterangan tingkat kepastian menunjukkan seberapa yakin kita terhadap suatu tindakan atau kejadian. Keterangan tingkat kepastian diletakkan sebelum kata kerja utama, kecuali jika kata kerja utamanya adalah to be, di mana keterangan tingkat kepastian diletakkan setelah to be.

Contoh
  • He definitely left the house this morning.
  • He surely won't forget.
  • He is probably in the park.
  • He is certainly a smart man.

Jika ada kata kerja bantu, keterangan tingkat kepastian diletakkan di antara kata kerja bantu dan kata kerja utama.

Contoh
  • He has certainly forgotten the meeting.
  • He will probably remember tomorrow.
  • He is definitely running late.

Terkadang, keterangan tingkat kepastian dapat diletakkan di awal kalimat.

Contoh
  • Undoubtedly, Winston Churchill was a great politician.
  • Certainly, I will be there.
  • Probably, he has forgotten the meeting.

Saat keterangan tingkat kepastian surely diletakkan di awal kalimat, artinya penutur merasa bahwa sesuatu benar, tetapi mencari konfirmasi.

Contoh
  • Surely you've got a bicycle.
  • Surely you're not going to wear that to the party.