The controversy could not have come at a worse time for Ukraine. The country's much anticipated 2023 counteroffensive has yielded few gains, western support is declining generally, and the In your examples, "should" represents a suggestion for action, while "must" represents a command where you want the listener to obey you. Often "should" is used instead of a direct request. "Please pick up your clothes from off of the floor." "You should pick up your clothes from off of the floor." To express certainty or probability in the past tense, we use must + have + verb in the past participle: I must have left my phone at home. Paul must have seen this movie before. It must have been raining last night. He must have missed the train. Someone must have taken my umbrella by mistake. Commits MUST be prefixed with a type, which consists of a noun, feat, fix, etc., followed by an OPTIONAL scope, and a REQUIRED terminal colon and space. The type feat MUST be used when a commit adds a new feature to your application or library. The type fix MUST be used when a commit represents a bug fix for your application. 3. As the past tense of "must" is also "must" (identical in form) the modal must is normally used only in present tense to avoid ambiguity. When you need the past tense you have to use forms of substitution verbs. "must2" (the past tense form) can be used only in very limited cases. It may occur sometimes in written language in subordinate clauses. GXYD.

use of must and must not