Vocabulary

apply for a job: to request a job, usually officially, especially in writing or by completing a form.

• He needs to update his resume before he can apply for a job.

call in sick: contact your employer or school to inform them that you are ill and unable to attend work or school on a given day.

• Several employees had to call in sick with the flu, so the office was short-staffed.

do overtime: to work beyond your regularly scheduled hours, either in a job or in a period of time allotted for an activity.

• I had to do overtime last week to finish the project on time.

go freelance: leave traditional, long-term employment with a single company to become a self-employed professional who sells their services to multiple clients on a temporary, per-project basis.

• She decided to give her notice and go freelance so she could work from home.

meet deadlines: to finish a task or project by the specified date or time when it is due.

• She worked all night to meet the deadline for the report. 

run a company: to manage, operate, and oversee the daily activities of a business to ensure its success and achieve its goals.

• He has a clear vision for how he wants to run the company in the future.

take on responsabilities: to accept accountability for something, whether it's a duty, a task, or a situation, and to be prepared to face and deal with the outcomes.

• She was brave enough to take on the responsibility of leading the team.

work for a company: to be employed by an organization.

• I work for a small Danish company.

work part-time/full time: to be employed for a reduced number of hours or days per week, fewer than a full-time schedule. / to spend a standard or customary number of hours per week at work.

• I work part-time at a local coffee shop to help pay for my college tuition. 
• She decided to work full-time after her children started school.

work shifts: a designated, scheduled period of time during which an employee is expected to perform their job duties.

• She works the early morning work shift, starting at 5 a.m.

Grammar

Present perfect

Used to connect a past action or situation to the present.

subject+have+verb (past participle)

• (+) I have fixed the TV.
• (-) I have not seen Alex today.
• (?) Have we finished?

Simple past

Used to describe actions or states that began and ended in the past.

subject+verb (past simple)

• (+) He closed the window.
• (-) I didn't graduate.
• (?) Did the detective find any clues?

Have to

Used to express that something is required, necessary or obligatory.

subject+have to+base form of the verb

• (+) I have to go to my cousin's party on friday.
• (-) She doesn't have to go.
• (?) Do we have to cook lasagna today?

Can't

To express a lack of ability, opportunity or permission, or to state that something is impossible.

subject+can't+infinitive verb

• I can't access the internet in my computer.