English grammar

Present simple

(i do/does)

when we talk about some in general or that is happening right now. “he works”

past simple

(i did) talking about something that have happened in the past “Before that I worked in a deparment store”

Future simple

(will + infinitive) describes actions that will occur in the future. “You will be examed by a top consultant”

Present continuous

(am/is/are + verb+ing) describes actions that are currently happening or ongoing. "She is studying for her exams."

past contiuous

was/were + verb+ing describes actions that were ongoing in the past at a certain time bu hadn’t finished yet. "I was reading when he called."

Present perfect

(has/have + past participle) describes actions that occurred at an unspecified time before now or that started in the past and continue to the present. Is often used when there is a connection with now. "She has finished her homework."

past perfect

(had + past participle) describes actions that were completed before a certain point in the past. "I had already eaten when they arrived."

future perfect

(will have + past participle) describes actions that will be completed before a specified time in the future. "By next year, I will have graduated."

the

is a definite article that we use before a noun to specify it as something previously mentioned or known to the speaker, listener, writer and/or reader

a/an

is a indefinite article that we use before a noun to specify it as something that is not already known to the speaker, listener, writer and/or reader