Welcome to B1 Intermediate English. At this level, you can handle most everyday situations and begin to express your ideas on familiar topics. Grammar covers present perfect tense, passive voice, first and second conditionals, relative clauses, gerunds and infinitives, and irregular verb groups. Vocabulary grows to include education, work, technology, and social topics. You will also learn common confusing word pairs and punctuation rules that help your writing look more professional. Lessons include more detailed explanations, longer examples, and practice exercises. If you can already have basic conversations in English and want to become more confident, this level is for you.
Quick Answer The present perfect tense uses have or has + the past participle of a verb (like eaten, seen, done). Use it when something in the past still matters now. Example: “I have eaten lunch” means you are not hungry now. Have or Has + Past Participle — See the Pattern The present perfect…
Quick Answer The plural of vertebra is vertebrae. You can also say vertebras — both are correct. Example: “The human spine has 33 vertebrae.” Vertebra and Vertebrae — See the Pattern A vertebra is one small bone in your back. Your spine is made of many of these bones stacked together. Look at how the…
Quick Answer The plural of thesis is theses. The word “thesises” is not correct in English. One: She wrote a long thesis for her degree. More than one: The students handed in their theses last week. Thesis Becomes Theses — See the Pattern Look at these words. Can you see what happens? Did you see…
Quick Answer The plural of tableau is tableaux or tableaus. Both are correct. The word comes from French, so it has two ways to make the plural. One: The museum has one beautiful tableau.More than one: The museum has several beautiful tableaux. Tableau, Tableaux, Tableaus — See the Pattern Look at these sentences. Can you…
Quick Answer The plural of symposium is symposia or symposiums. Both are correct. Symposiums is more common in everyday English. Symposia is used more in academic and formal writing. One: The symposium starts at nine o’clock.Many: The university held three symposiums this year. Symposium, Symposia, Symposiums — See the Pattern Look at these words. Can…
The term ‘syllabus’ originally comes from a Latin word, which has influenced the plural form ‘syllabi’. It’s also adapted to the regular English pluralization rule, adding -es to form ‘syllabuses’. These variations in pluralization are common with words that have Latin or Greek roots, where the traditional English plural form coexists with a form that…
Quick Answer The plural of stimulus is stimuli. It follows the Latin rule — words ending in -us change to -i for the plural. One: The bright light was a strong stimulus.Many: The scientists tested different stimuli. Stimulus, Stimuli — See the Pattern Look at these words. Can you see what happens? Did you see…
The classification of nouns as countable or uncountable can often pose challenges. The term “software” is frequently used in both the technology and business sectors, yet its plural form generates confusion due to its unique nature as a mass noun. Mass nouns, also referred to as uncountable nouns, do not typically have a separate plural…
Quick Answer The plural of species is species. The word never changes. One species, many species — always the same. One: This species is very rare. Many: These species are all endangered. One Species, Two Species — The Word Never Changes Look at these sentences. Can you see what happens? Did you see the pattern?…
Quick Answer The plural of radius is radii. You can also say radiuses — both are correct. Radii is more common. One: The radius of this circle is 5 cm.Many: The radii of these circles are all different. Radius, Radii, Radiuses — See the Pattern Look at these words. Can you see what happens? Did…
