1.my evening newspaper has been late every day this week .if the paper (arrive, not) .... on time today, i'm going to cancep my subscription.2.if you boil water,it (disappear) ....into the atmosphere as vaspor.3.if people (have) .... paws instead of hands with fingers and opposable thumbls, the machines we use in everday life (have to) .... be constructed very differently. we (be, not) ... able to turn knobs, push small buttons, or hold tools and utensils securely.4.if i (be) ...a brid, i (want, not)..... to live my whole life in a cage.

1. 1.my evening newspaper has been late every day this week .if the paper (arrive, not) .... on time today, i'm going to cancep my subscription.2.if you boil water,it (disappear) ....into the atmosphere as vaspor.3.if people (have) .... paws instead of hands with fingers and opposable thumbls, the machines we use in everday life (have to) .... be constructed very differently. we (be, not) ... able to turn knobs, push small buttons, or hold tools and utensils securely.4.if i (be) ...a brid, i (want, not)..... to live my whole life in a cage.

1. doesn't arrive (type 1)
2. disappears (zero conditional)
3. had, would have to, would not be (type 2)
4. were, would not want (type 2)