Simple present |
don't contaminate |
don't contaminate |
doesn't contaminate |
don't contaminate |
don't contaminate |
don't contaminate |
Present continuous |
am not contaminating |
are not contaminating |
is not contaminating |
are not contaminating |
are not contaminating |
are not contaminating |
Simple past |
didn't contaminate |
didn't contaminate |
didn't contaminate |
didn't contaminate |
didn't contaminate |
didn't contaminate |
Past continuous |
was not contaminating |
were not contaminating |
was not contaminating |
were not contaminating |
were not contaminating |
were not contaminating |
Simple future |
won't contaminate |
won't contaminate |
won't contaminate |
won't contaminate |
won't contaminate |
won't contaminate |
Future continuous |
will not be contaminating |
will not be contaminating |
will not be contaminating |
will not be contaminating |
will not be contaminating |
will not be contaminating |
Present perfect |
have not contaminated |
have not contaminated |
has not contaminated |
have not contaminated |
have not contaminated |
have not contaminated |
Present perfect continuous |
have not been contaminating |
have not been contaminating |
has not been contaminating |
have not been contaminating |
have not been contaminating |
have not been contaminating |
Present continuous |
am not contaminating |
are not contaminating |
is not contaminating |
are not contaminating |
are not contaminating |
are not contaminating |
Past perfect |
had not contaminated |
had not contaminated |
had not contaminated |
had not contaminated |
had not contaminated |
had not contaminated |
Past perfect continuous |
had not been contaminating |
had not been contaminating |
had not been contaminating |
had not been contaminating |
had not been contaminating |
had not been contaminating |
Future perfect |
will have not contaminated |
will have not contaminated |
will have not contaminated |
will have not contaminated |
will have not contaminated |
will have not contaminated |
Future perfect continuous |
will have not been contaminating |
will have not been contaminating |
will have not been contaminating |
will have not been contaminating |
will have not been contaminating |
will have not been contaminating |