What is the correct way to use infinitive after the verb "help": with or without "to"? For example: Please, help me to understand this. or: Please, help me understand this.
Mark's generosity in this crisis seems to more than make up for his earlier stinginess. Should those sentences always be avoided, or are there cases where they are valid?
Some verbs are followed by ing, e.g. I enjoy swimming. We can't say I enjoy to swim. Likewise, some verbs are followed by to, e.g. I decided to make a plan. Which particular verbs are followed by ...