MODAL VS SEOM
- ICT ALSA LC Unsri
- Sep 11
- 2 min read
Updated: Sep 13

Written By : Calistha Naisyila Ilfiansa
What is Modal?
Modal verbs are auxiliary verbs that modify the main verb in a sentence, expressing various functions such as ability, possibility, permission, obligation, advice, and certainty.
Modal Verbs consist of: Can, Could, May, Might, Must, Shall, Should, Will, and Would.
To use modal verb, you can use this form
Affirmative Sentence :
Pronouns + Modal Verb + Verb 1
Negative Sentence :
Pronouns + Modal Verb + Not + Verb 1
Example of Modal Verb with Rumus
Modal | Example |
Can/Could | “I can show you the proof”Pronouns + Modal Verb + Verb 1“She couldn't find her pen anywhere”Pronouns + Modal Verb + Not + Verb 1 |
May/Might | “It may rain later, prepare your umbrella”Pronouns + Modal Verb + Verb 1“He might not agree with your plan”Pronouns + Modal Verb + Not + Verb 1 |
Will/Would | “You will arrive at school by 7 AM”Pronouns + Modal Verb + Verb 1“I would not ask him to dance that day”Pronouns + Modal Verb + Not + Verb 1 |
Should | “You should exercise regularly to stay healthy”Pronouns + Modal Verb + Verb 1“He shouldn't make you a backburner”Pronouns + Modal Verb + Not + Verb 1 |
Must | “You must submit your work by 5 PM”Pronouns + Modal Verb + Verb 1“They must not cheat on exam”Pronouns + Modal Verb + Not + Verb 1 |
Similar Expression of Modal (SEOM)
SEOM is a similar form of modal, but SEOM is used when there are 2 pure modals or a ‘to infinitive’ is used
Modal Verb | SEOM |
Can/Could | Be Able To |
May/Might | Be Allowed To |
Will/Would | Be Going To |
Must | Have/Has To |
Should | Be Supposed To |
Example of SEOM with modal verb version
Can/Could
Modal Verb : She can swim.
SEOM : She was able to swim.
May/Might
Modal Verb : You may go home now
SEOM : You are allowed to go home now
Will/Would
Modal Verb : I will visit you tomorrow
SEOM : I am going to visit you tomorrow
Must
Modal Verb : He must stay focused
SEOM : He has to stay focused
Should
Modal Verb : You should start this meeting at 9 AM
SEOM : You supposed to start this meeting at 9 AM
Differences between Modal Verb vs SEOM
If the sentences is :
Have a single word structure;
Followed by bare infinitive;
and less flexible in tenses.
You have to use modal verb form, and when the sentences is :
Phrasal expressions;
Often followed by to + verb 1;
and can easily change tenses.
You have to use the SEOM form.
REFERENCES
Aulia, K. (2016). Aturan penggunaan modal auxiliary dan similar expression of modal yang harus kita ketahui. Juragan Les. https://www.juraganles.com/2016/05/aturan-penggunaan-modal-auxiliary-dan-similar-expression-of-modal-yang-harus-kita-ketahui.html?m=1
EF Education First Indonesia. (2022). Modal verb: Pengertian, cara menggunakan dan contohnya. https://www.ef.co.id/englishfirst/adults/blog/akademik-english-dan-persiapan-tes-inggris/modal-verb-pengertian-cara-menggunakan-dan-contohnya/
English Top Grammar. (2020). Modal auxiliary and similar modal. EnglishTopGrammar. https://www.englishtopgrammar.com/2020/12/modal-auxiliary-dan-similar-modal.html?m=1
Nurjaya. (2018). Penggunaan modal auxiliary verb, penting untuk dipahami! Kampung Inggris. https://www.kampunginggris.online/modal-auxiliary-dalam-bahasa-inggris/
Reza. (n.d.). Modal dan SEOM [PDF]. Scribd. https://www.scribd.com/document/657668560/Modal-da-SEOM



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