make a speech etc

[joham]

Are the following all correct/acceptable collocations? I'm sure about the underlined ones. But I'm not certain of the other in each pair. Could you help me clarify them? Thank you very much in advance.
give/make a speech
give/make a lecture
give/make a talk
give/make a presentation
give/make an explanation
give/make a description
give/make a statement
give/make an announcement
give/make a declaration
give/make a demonstration

She has made a new boyfriend.

 

[5jj]

give/make a speech
give/[STRIKE]make[/STRIKE] a lecture
give/[STRIKE]make[/STRIKE] a talk
give/make a presentation
give/[STRIKE]make[/STRIKE] an explanation
give/[STRIKE]make[/STRIKE] a description
give/make a statement
give/make an announcement
give/make a declaration
give/[STRIKE]make[/STRIKE] a demonstration

She has made [?] found/got a new boyfriend.

Without further context, I feel that the ones I have crossed out are unlikely; the others are possible