Take a taxi
The Spanish phrase 'coger un taxi' translates to 'take a taxi' in English. This phrase is used when someone needs to travel somewhere by taxi. It is a common phrase in Spain, although in some parts of Latin America, the verb 'tomar' is used instead of 'coger'. To give some usage examples - if you are running late for a meeting, you may decide to 'coger un taxi'. Or, if you have lots of luggage and the bus is too inconvenient, you could 'coger un taxi' to the airport.
I am going to take a taxi to go to the airport.
This is a phrase in future tense illustrating how one can refer to a planned action, in this case taking a taxi.
Please take a taxi, I am in trouble.
This sentence is a command or request, where 'por favor' is added to make the instruction more polite.
My parents told me I should take a taxi instead of walking.
This is a sentence in the past tense, depicting an advice or suggestion given by someone.