Инфинитивы глаголов: am, coming, has, met, begun, does, meet, writing, thought seen

To be, to come, to have, to meet, to begin, to do, to meet, to write, to think, to see

Am - to be
coming - come
has - have
begun - begin
does - do
meet - и есть нач.форма глагола
writing - write
though - think
seen - see