be in operation [v.]
-be in operation
Iam / 'm in operation
youare / 're in operation
heis / 's in operation
weare / 're in operation
youare / 're in operation
theyare / 're in operation
Iwas in operation
youwere in operation
hewas in operation
wewere in operation
youwere in operation
theywere in operation
Iwillbe in operation
youwillbe in operation
hewillbe in operation
wewillbe in operation
youwillbe in operation
theywillbe in operation
Ihavebeen in operation
youhavebeen in operation
hehasbeen in operation
wehavebeen in operation
youhavebeen in operation
theyhavebeen in operation
-being in operation
-been in operation
Outras palavras (mesmo modelo) :
be under water be no match for be worried about be running a temperature be attuned be silent be out for be lost be for certain be skeptical about be on guard be employed in be unaware of be experienced in be reconciled to be correct be left over be grounded on be in the forces be employed at ... (890 words)