These three English words all mean “to make sure or certain” and are commonly confused, even by native speakers. I assure you that lesson will ensure you understand the difference between assure, ensure, and insure.
A syllable is a unit of sound. It can be a vowel, a diphthong, or one or more vowels combined with one or more consonants.
There are three ways to pronounce the final -ed of regular verbs in the simple past tense. This pronunciation is determined by the final sound of the verb in the infinitive: Is it a voiced consonant, an unvoiced consonant, or a vowel sound?
The present and past tense of the verb “do” can be contracted with the negative word “not”: lesson.
Many consonant sounds come in pairs. For example, P and B are produced in the same place in the mouth with the tongue in the same position. The only difference is that P is an unvoiced sound while B is a voiced sound.
The English vowels are A, E, I, O, U, and sometimes Y. Each of these can be pronounced at least three ways.