If we mention an exact number, we don’t add an ‘s’ after hundred, thousand, million, or billion.

event ( social gathering for people to attend)

News (i.e. information about current events) is a singular noun and ends in an ‘s.’

did;We use the first conditional to communicate that a condition is possible. We use the second conditional to communicate that something is impossible, unlikel

After the causative verbs let, make, and have, we use an object followed by the base form of the second verb. We do not use the infinitive form of the second ve

We use to be used to + gerund/noun to talk about something that we are accustomed to. We often use the expression to talk about whether something is a problem.

These non-count nouns often give English learners trouble: advice, help, homework, information, knowledge, proof, equipment, evidence, furniture, luggage, mail,

f we use stop + gerund, it means the gerund activity stops. If we use stop + infinitive, it means the infinitive activity starts.

We can talk about something or argue about something, but we can’t discuss about something.

A compound adjective is when two or more words join to modify the same noun. If a compound adjective has a noun, the noun should be singular.

would rather( used to talk about specific choices, while prefer is used to talk about general preferences)

We use due to and because of followed by a noun or a gerund. We cannot use due to and because of followed by a subject + verb.