1. Introduction 2. The Alternation of To-infinitives and Gerunds 2.1 Against the Claim for "No Discernable Meaning Difference" between To-infinitives and Gerunds 2.2 Against the Free Variant Analysis of To-infinitives and Gerunds 3. The Temporal and Actualizational Distinction betweenTo-infinitives and Gerunds 3.1 Future-Time-Oriented To-infinitives vs. Same-Time-Oriented Gerunds 3.2 To-infinitive Evoking a Potential Event vs. Gerunds Denoting anActualized Event 4. Conclusion References