that's not possible

Grammar usage guide and real-world examples

Uses the full form which is more appropriate for formal academic or technical writing

Substitutes the demonstrative pronoun with a dummy subject for a more objective tone

Adds stronger emphasis and can convey a sense of disbelief or emotional reaction

Focuses specifically on the practical or technical ability to execute a plan

A more conversational and casual alternative used in everyday speech

Focuses on the physical or logical action required to achieve an outcome

An idiomatic expression often implying a refusal or a social prohibition

Suggests that a specific goal cannot be reached despite effort or intention

Emphasizes the occurrence of an event rather than the state of possibility

Implies that a high-level target or standard is beyond reach