a) Present Simple — travel;
b) Past Simple — travelled;
c) Future Simple — will travel;
d) Present Progressive — am travelling;
e) Past Progressive — was travelling;
f) to be going to — am going to travel;
g) Present Perfect — have not travelled, have travelled;
h) Present Perfect — have travelled; i) Present Progressive — am travelling.
b) Past Simple — travelled;
c) Future Simple — will travel;
d) Present Progressive — am travelling;
e) Past Progressive — was travelling;
f) to be going to — am going to travel;
g) Present Perfect — have not travelled, have travelled;
h) Present Perfect — have travelled; i) Present Progressive — am travelling.