The form "je suis" can have the infinitives "être" and "suivre." "Je suis" followed by "être" means "I am" in English, while "je suis" followed by "suivre" means "I follow" in English. These two infinitives give different meanings to the form "je suis" and are used in different contexts. **

Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

In French, when using two infinitives in a sentence, the object pronouns are placed before the first infinitive. For example, "Je vais te montrer comment faire" (I am going to show you how to do it), where "te" (you) is the object pronoun and "montrer" (to show) is the first infinitive. The second infinitive "faire" (to do) follows after the first one. **

A common mnemonic to remember the difference between gerunds and to-infinitives in English is "STOP" - Subject + To-infinitive + Object = Purpose. This means that when the verb is followed by a to-infinitive, it usually indicates the purpose of the action. On the other hand, when the verb is followed by a gerund, it indicates that the action is ongoing or continuous. Remembering this simple rule can help differentiate between gerunds and to-infinitives in sentences. **

In French, "avant de" is used before an infinitive to indicate that an action takes place before another action. For example, "Avant de manger, je dois faire mes devoirs" means "Before eating, I have to do my homework." On the other hand, "après" is used before an infinitive to indicate that an action takes place after another action. For example, "Après avoir mangé, je vais me reposer" means "After eating, I am going to rest." These constructions are used to express the sequence of actions in French. **

One common mnemonic device for remembering the difference between gerunds and to-infinitives is the phrase "Remember, regret, and stop." This phrase helps to remember that verbs like "remember," "regret," and "stop" are typically followed by gerunds. On the other hand, verbs like "decide," "want," and "plan" are usually followed by to-infinitives. This simple phrase can help learners distinguish between the two forms in English grammar. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **

The answer to this question depends on individual preferences and needs. A cashier-operated checkout provides the opportunity for human interaction and personalized service, which some people may prefer. On the other hand, a self-service store offers convenience and efficiency, allowing customers to complete their purchases quickly and without waiting in line. Ultimately, the better option is subjective and varies from person to person. **