Speak About:

Present

Past

Past to Present

Future

Abilities - Responsibilities

Asking Questions

Choosing the Right Phrase

Combining Verbs

Explaining Ideas

Describing Your World

Complex Ideas

Relating Ideas, People, Objects

Speaking about Objects

Wondering about Situations

What Is Probably True

Modal Verbs of Probability - Present

Modal verbs of probability express an opinion based on what a speaker knows about a situation at the moment of speaking. The following forms are used to speak about present situations.

Example:

Our net profit this year must be more than our profit from last year.

Susan might be able to countersign the loan.

It could be included in your bank deposit.

Present Forms

'Must' plus the verb expresses the idea that you are almost 100% sure of your opinion about a given situation.

Subject + must + base form of verb + objects

Example:

She must be working on that huge spreadsheet project, since she isn't answering her phone right now.

Our net profit this year must be more than our profit from last year.

Use 'might' or 'could' to express an opinion that you think has a good possibility of being true.

Subject + might / could + base form of verb + objects

Example:

According to the articles of association, it may be possible that you may sublease your condo.

Susan might be able to countersign the loan.

'Can't' plus the verb expresses the idea that you are almost 100% sure that something is not true.

Subject + can't + base form of verb + objects

Example:

Jonathan can't be considering that stock deal.

The check routing symbol on that example can't be correct.