Must doesn’t change its form, whatever be its tense or the number and person of its subject. It can refer to the present or future.… Continue reading

Would is the past tense of will in indirect speech. Direct: The manager said, ‘The shop will be closed on Monday.’ Indirect: The manager said… Continue reading

Should is the past tense of shall in indirect speech. Direct: He said, ‘the scoundrel shall be trashed.’ Indirect: He said that the scoundrel should… Continue reading

With the first person The modal auxiliary verb shall is used with first person pronouns to express the strong possibility or near certainty of an… Continue reading