When we use the linking words for example: and, but, luckily, actually etc...?

[Mahmed]

hello sir

can you answer me about this question please

when we use the linking words for example , and , but , lukily. actually etc... in the sentence

thank you in advance for your help

[Mister Micawber]

For 'and' and 'but', please google 'coordinating conjunctions'. Use the adverbs (luckily, actually, etc) when you wish to include their meaning in your sentence.
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Native English teacher at Mister Micawber's