Expressions of Certainty and Speculation

In this video, Alex introduces the concept of speculation in the present, focusing on how to express certainty and uncertainty. For strong certainty, expressions like 'must', 'has got to', and 'has to' are used. For less certainty, 'might', 'may', and 'could' are appropriate. The video also covers how to express negative speculation and concludes with a mention of a quiz for further practice.

What is the main focus of this lesson?

• Obligation in the past

• Obligation in the present

• Speculation in the present

• Speculation in the past

Which expression indicates a strong belief that something is true?

• May

• Must

• Might

• Could

Which expression is used when you are almost certain of a present situation?

• May

• Could

• Must

• Might

If you are almost certain someone is sleeping, which phrase would you use?

• She has got to be sleeping

• She might be sleeping

• She may be sleeping

• She could be sleeping

Which phrase is used to express strong certainty about a regular activity?

• Has to

• Might

• May

• Could

Which expression is not typically used for strong certainty?

• Must

• Has to

• Has got to

• Might

How would a native speaker likely say 'She has got to be sleeping' in informal speech?

• She's gotta be sleeping

• She has got to be sleeping

• She is got to be sleeping

• She got to be sleeping

What is the contraction for 'She has got to be' in spoken English?

• She is got to be

• She's gotta be

• She's got to be

• She got to be

Which words are used when you are about 50% sure of something?

• Must, has to, has got to

• Might, may, could

• Should, would, could

• Will, shall, must

If you are guessing someone's age, which expression would you use?

• You must be 22

• You have to be 22

• You will be 22

• You might be 22